21243708

素因数分解:

$2^2\times 3^4\times {\mathrm{173}}^1\times {\mathrm{379}}^1$

素因数の和:568

約数の個数: 60

約数和(自身を含む): 56003640

約数和(自身を除く): 34759932

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 173, 324, 346, 379, 519, 692, 758, 1038, 1137, 1516, 1557, 2076, 2274, 3114, 3411, 4548, 4671, 6228, 6822, 9342, 10233, 13644, 14013, 18684, 20466, 28026, 30699, 40932, 56052, 61398, 65567, 122796, 131134, 196701, 262268, 393402, 590103, 786804, 1180206, 1770309, 2360412, 3540618, 5310927, 7081236, 10621854, 21243708]

約数ペア:

[(1, 21243708), (2, 10621854), (3, 7081236), (4, 5310927), (6, 3540618), (9, 2360412), (12, 1770309), (18, 1180206), (27, 786804), (36, 590103), (54, 393402), (81, 262268), (108, 196701), (162, 131134), (173, 122796), (324, 65567), (346, 61398), (379, 56052), (519, 40932), (692, 30699), (758, 28026), (1038, 20466), (1137, 18684), (1516, 14013), (1557, 13644), (2076, 10233), (2274, 9342), (3114, 6822), (3411, 6228), (4548, 4671)]