21808416

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1$

素因数の和:143

約数の個数: 192

約数和(自身を含む): 73156608

約数和(自身を除く): 51348192

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 17, 21, 23, 24, 28, 32, 34, 42, 46, 48, 51, 56, 68, 69, 83, 84, 92, 96, 102, 112, 119, 136, 138, 161, 166, 168, 184, 204, 224, 238, 249, 272, 276, 322, 332, 336, 357, 368, 391, 408, 476, 483, 498, 544, 552, 581, 644, 664, 672, 714, 736, 782, 816, 952, 966, 996, 1104, 1162, 1173, 1288, 1328, 1411, 1428, 1564, 1632, 1743, 1904, 1909, 1932, 1992, 2208, 2324, 2346, 2576, 2656, 2737, 2822, 2856, 3128, 3486, 3808, 3818, 3864, 3984, 4233, 4648, 4692, 5152, 5474, 5644, 5712, 5727, 6256, 6972, 7636, 7728, 7968, 8211, 8466, 9296, 9384, 9877, 10948, 11288, 11424, 11454, 12512, 13363, 13944, 15272, 15456, 16422, 16932, 18592, 18768, 19754, 21896, 22576, 22908, 26726, 27888, 29631, 30544, 32453, 32844, 33864, 37536, 39508, 40089, 43792, 45152, 45816, 53452, 55776, 59262, 61088, 64906, 65688, 67728, 79016, 80178, 87584, 91632, 97359, 106904, 118524, 129812, 131376, 135456, 158032, 160356, 183264, 194718, 213808, 227171, 237048, 259624, 262752, 316064, 320712, 389436, 427616, 454342, 474096, 519248, 641424, 681513, 778872, 908684, 948192, 1038496, 1282848, 1363026, 1557744, 1817368, 2726052, 3115488, 3634736, 5452104, 7269472, 10904208, 21808416]

約数ペア:

[(1, 21808416), (2, 10904208), (3, 7269472), (4, 5452104), (6, 3634736), (7, 3115488), (8, 2726052), (12, 1817368), (14, 1557744), (16, 1363026), (17, 1282848), (21, 1038496), (23, 948192), (24, 908684), (28, 778872), (32, 681513), (34, 641424), (42, 519248), (46, 474096), (48, 454342), (51, 427616), (56, 389436), (68, 320712), (69, 316064), (83, 262752), (84, 259624), (92, 237048), (96, 227171), (102, 213808), (112, 194718), (119, 183264), (136, 160356), (138, 158032), (161, 135456), (166, 131376), (168, 129812), (184, 118524), (204, 106904), (224, 97359), (238, 91632), (249, 87584), (272, 80178), (276, 79016), (322, 67728), (332, 65688), (336, 64906), (357, 61088), (368, 59262), (391, 55776), (408, 53452), (476, 45816), (483, 45152), (498, 43792), (544, 40089), (552, 39508), (581, 37536), (644, 33864), (664, 32844), (672, 32453), (714, 30544), (736, 29631), (782, 27888), (816, 26726), (952, 22908), (966, 22576), (996, 21896), (1104, 19754), (1162, 18768), (1173, 18592), (1288, 16932), (1328, 16422), (1411, 15456), (1428, 15272), (1564, 13944), (1632, 13363), (1743, 12512), (1904, 11454), (1909, 11424), (1932, 11288), (1992, 10948), (2208, 9877), (2324, 9384), (2346, 9296), (2576, 8466), (2656, 8211), (2737, 7968), (2822, 7728), (2856, 7636), (3128, 6972), (3486, 6256), (3808, 5727), (3818, 5712), (3864, 5644), (3984, 5474), (4233, 5152), (4648, 4692)]