21223592

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1$

素因数の和:306

約数の個数: 64

約数和(自身を含む): 45964800

約数和(自身を除く): 24741208

約数列:

[1, 2, 4, 8, 13, 26, 29, 31, 52, 58, 62, 104, 116, 124, 227, 232, 248, 377, 403, 454, 754, 806, 899, 908, 1508, 1612, 1798, 1816, 2951, 3016, 3224, 3596, 5902, 6583, 7037, 7192, 11687, 11804, 13166, 14074, 23374, 23608, 26332, 28148, 46748, 52664, 56296, 85579, 91481, 93496, 171158, 182962, 204073, 342316, 365924, 408146, 684632, 731848, 816292, 1632584, 2652949, 5305898, 10611796, 21223592]

約数ペア:

[(1, 21223592), (2, 10611796), (4, 5305898), (8, 2652949), (13, 1632584), (26, 816292), (29, 731848), (31, 684632), (52, 408146), (58, 365924), (62, 342316), (104, 204073), (116, 182962), (124, 171158), (227, 93496), (232, 91481), (248, 85579), (377, 56296), (403, 52664), (454, 46748), (754, 28148), (806, 26332), (899, 23608), (908, 23374), (1508, 14074), (1612, 13166), (1798, 11804), (1816, 11687), (2951, 7192), (3016, 7037), (3224, 6583), (3596, 5902)]