21837816

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1$

素因数の和:147

約数の個数: 256

約数和(自身を含む): 82252800

約数和(自身を除く): 60414984

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 13, 14, 18, 21, 22, 24, 26, 27, 28, 33, 36, 39, 42, 44, 52, 54, 56, 63, 66, 72, 77, 78, 84, 88, 91, 99, 101, 104, 108, 117, 126, 132, 143, 154, 156, 168, 182, 189, 198, 202, 216, 231, 234, 252, 264, 273, 286, 297, 303, 308, 312, 351, 364, 378, 396, 404, 429, 462, 468, 504, 546, 572, 594, 606, 616, 693, 702, 707, 728, 756, 792, 808, 819, 858, 909, 924, 936, 1001, 1092, 1111, 1144, 1188, 1212, 1287, 1313, 1386, 1404, 1414, 1512, 1638, 1716, 1818, 1848, 2002, 2079, 2121, 2184, 2222, 2376, 2424, 2457, 2574, 2626, 2727, 2772, 2808, 2828, 3003, 3276, 3333, 3432, 3636, 3861, 3939, 4004, 4158, 4242, 4444, 4914, 5148, 5252, 5454, 5544, 5656, 6006, 6363, 6552, 6666, 7272, 7722, 7777, 7878, 8008, 8316, 8484, 8888, 9009, 9191, 9828, 9999, 10296, 10504, 10908, 11817, 12012, 12726, 13332, 14443, 15444, 15554, 15756, 16632, 16968, 18018, 18382, 19089, 19656, 19998, 21816, 23331, 23634, 24024, 25452, 26664, 27027, 27573, 28886, 29997, 30888, 31108, 31512, 35451, 36036, 36764, 38178, 39996, 43329, 46662, 47268, 50904, 54054, 55146, 57772, 59994, 62216, 69993, 70902, 72072, 73528, 76356, 79992, 82719, 86658, 93324, 94536, 101101, 108108, 110292, 115544, 119988, 129987, 139986, 141804, 152712, 165438, 173316, 186648, 202202, 209979, 216216, 220584, 239976, 248157, 259974, 279972, 283608, 303303, 330876, 346632, 389961, 404404, 419958, 496314, 519948, 559944, 606606, 661752, 779922, 808808, 839916, 909909, 992628, 1039896, 1213212, 1559844, 1679832, 1819818, 1985256, 2426424, 2729727, 3119688, 3639636, 5459454, 7279272, 10918908, 21837816]

約数ペア:

[(1, 21837816), (2, 10918908), (3, 7279272), (4, 5459454), (6, 3639636), (7, 3119688), (8, 2729727), (9, 2426424), (11, 1985256), (12, 1819818), (13, 1679832), (14, 1559844), (18, 1213212), (21, 1039896), (22, 992628), (24, 909909), (26, 839916), (27, 808808), (28, 779922), (33, 661752), (36, 606606), (39, 559944), (42, 519948), (44, 496314), (52, 419958), (54, 404404), (56, 389961), (63, 346632), (66, 330876), (72, 303303), (77, 283608), (78, 279972), (84, 259974), (88, 248157), (91, 239976), (99, 220584), (101, 216216), (104, 209979), (108, 202202), (117, 186648), (126, 173316), (132, 165438), (143, 152712), (154, 141804), (156, 139986), (168, 129987), (182, 119988), (189, 115544), (198, 110292), (202, 108108), (216, 101101), (231, 94536), (234, 93324), (252, 86658), (264, 82719), (273, 79992), (286, 76356), (297, 73528), (303, 72072), (308, 70902), (312, 69993), (351, 62216), (364, 59994), (378, 57772), (396, 55146), (404, 54054), (429, 50904), (462, 47268), (468, 46662), (504, 43329), (546, 39996), (572, 38178), (594, 36764), (606, 36036), (616, 35451), (693, 31512), (702, 31108), (707, 30888), (728, 29997), (756, 28886), (792, 27573), (808, 27027), (819, 26664), (858, 25452), (909, 24024), (924, 23634), (936, 23331), (1001, 21816), (1092, 19998), (1111, 19656), (1144, 19089), (1188, 18382), (1212, 18018), (1287, 16968), (1313, 16632), (1386, 15756), (1404, 15554), (1414, 15444), (1512, 14443), (1638, 13332), (1716, 12726), (1818, 12012), (1848, 11817), (2002, 10908), (2079, 10504), (2121, 10296), (2184, 9999), (2222, 9828), (2376, 9191), (2424, 9009), (2457, 8888), (2574, 8484), (2626, 8316), (2727, 8008), (2772, 7878), (2808, 7777), (2828, 7722), (3003, 7272), (3276, 6666), (3333, 6552), (3432, 6363), (3636, 6006), (3861, 5656), (3939, 5544), (4004, 5454), (4158, 5252), (4242, 5148), (4444, 4914)]