21356712

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{22817}}^1$

素因数の和:22842

約数の個数: 48

約数和(自身を含む): 62293140

約数和(自身を除く): 40936428

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 22817, 45634, 68451, 91268, 136902, 182536, 205353, 273804, 296621, 410706, 547608, 593242, 821412, 889863, 1186484, 1642824, 1779726, 2372968, 2669589, 3559452, 5339178, 7118904, 10678356, 21356712]

約数ペア:

[(1, 21356712), (2, 10678356), (3, 7118904), (4, 5339178), (6, 3559452), (8, 2669589), (9, 2372968), (12, 1779726), (13, 1642824), (18, 1186484), (24, 889863), (26, 821412), (36, 593242), (39, 547608), (52, 410706), (72, 296621), (78, 273804), (104, 205353), (117, 182536), (156, 136902), (234, 91268), (312, 68451), (468, 45634), (936, 22817)]