21751608528

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{3011}}^1$

素因数の和:3282

約数の個数: 240

約数和(自身を含む): 69742161216

約数和(自身を除く): 47990552688

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 17, 18, 24, 26, 34, 36, 39, 48, 51, 52, 68, 72, 78, 102, 104, 117, 136, 144, 153, 156, 204, 208, 221, 227, 234, 272, 306, 312, 408, 442, 454, 468, 612, 624, 663, 681, 816, 884, 908, 936, 1224, 1326, 1362, 1768, 1816, 1872, 1989, 2043, 2448, 2652, 2724, 2951, 3011, 3536, 3632, 3859, 3978, 4086, 5304, 5448, 5902, 6022, 7718, 7956, 8172, 8853, 9033, 10608, 10896, 11577, 11804, 12044, 15436, 15912, 16344, 17706, 18066, 23154, 23608, 24088, 26559, 27099, 30872, 31824, 32688, 34731, 35412, 36132, 39143, 46308, 47216, 48176, 50167, 51187, 53118, 54198, 61744, 69462, 70824, 72264, 78286, 92616, 100334, 102374, 106236, 108396, 117429, 138924, 141648, 144528, 150501, 153561, 156572, 185232, 200668, 204748, 212472, 216792, 234858, 277848, 301002, 307122, 313144, 352287, 401336, 409496, 424944, 433584, 451503, 460683, 469716, 555696, 602004, 614244, 626288, 665431, 683497, 704574, 802672, 818992, 903006, 921366, 939432, 1204008, 1228488, 1330862, 1366994, 1409148, 1806012, 1842732, 1878864, 1996293, 2050491, 2408016, 2456976, 2661724, 2733988, 2818296, 3612024, 3685464, 3992586, 4100982, 5323448, 5467976, 5636592, 5988879, 6151473, 7224048, 7370928, 7985172, 8201964, 8885461, 10646896, 10935952, 11619449, 11977758, 12302946, 15970344, 16403928, 17770922, 23238898, 23955516, 24605892, 26656383, 31940688, 32807856, 34858347, 35541844, 46477796, 47911032, 49211784, 53312766, 69716694, 71083688, 79969149, 92955592, 95822064, 98423568, 104575041, 106625532, 139433388, 142167376, 151052837, 159938298, 185911184, 209150082, 213251064, 278866776, 302105674, 319876596, 418300164, 426502128, 453158511, 557733552, 604211348, 639753192, 836600328, 906317022, 1208422696, 1279506384, 1359475533, 1673200656, 1812634044, 2416845392, 2718951066, 3625268088, 5437902132, 7250536176, 10875804264, 21751608528]

約数ペア:

[(1, 21751608528), (2, 10875804264), (3, 7250536176), (4, 5437902132), (6, 3625268088), (8, 2718951066), (9, 2416845392), (12, 1812634044), (13, 1673200656), (16, 1359475533), (17, 1279506384), (18, 1208422696), (24, 906317022), (26, 836600328), (34, 639753192), (36, 604211348), (39, 557733552), (48, 453158511), (51, 426502128), (52, 418300164), (68, 319876596), (72, 302105674), (78, 278866776), (102, 213251064), (104, 209150082), (117, 185911184), (136, 159938298), (144, 151052837), (153, 142167376), (156, 139433388), (204, 106625532), (208, 104575041), (221, 98423568), (227, 95822064), (234, 92955592), (272, 79969149), (306, 71083688), (312, 69716694), (408, 53312766), (442, 49211784), (454, 47911032), (468, 46477796), (612, 35541844), (624, 34858347), (663, 32807856), (681, 31940688), (816, 26656383), (884, 24605892), (908, 23955516), (936, 23238898), (1224, 17770922), (1326, 16403928), (1362, 15970344), (1768, 12302946), (1816, 11977758), (1872, 11619449), (1989, 10935952), (2043, 10646896), (2448, 8885461), (2652, 8201964), (2724, 7985172), (2951, 7370928), (3011, 7224048), (3536, 6151473), (3632, 5988879), (3859, 5636592), (3978, 5467976), (4086, 5323448), (5304, 4100982), (5448, 3992586), (5902, 3685464), (6022, 3612024), (7718, 2818296), (7956, 2733988), (8172, 2661724), (8853, 2456976), (9033, 2408016), (10608, 2050491), (10896, 1996293), (11577, 1878864), (11804, 1842732), (12044, 1806012), (15436, 1409148), (15912, 1366994), (16344, 1330862), (17706, 1228488), (18066, 1204008), (23154, 939432), (23608, 921366), (24088, 903006), (26559, 818992), (27099, 802672), (30872, 704574), (31824, 683497), (32688, 665431), (34731, 626288), (35412, 614244), (36132, 602004), (39143, 555696), (46308, 469716), (47216, 460683), (48176, 451503), (50167, 433584), (51187, 424944), (53118, 409496), (54198, 401336), (61744, 352287), (69462, 313144), (70824, 307122), (72264, 301002), (78286, 277848), (92616, 234858), (100334, 216792), (102374, 212472), (106236, 204748), (108396, 200668), (117429, 185232), (138924, 156572), (141648, 153561), (144528, 150501)]