21460728

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^2\times {\mathrm{2477}}^1$

素因数の和:2524

約数の個数: 48

約数和(自身を含む): 56647080

約数和(自身を除く): 35186352

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 114, 152, 228, 361, 456, 722, 1083, 1444, 2166, 2477, 2888, 4332, 4954, 7431, 8664, 9908, 14862, 19816, 29724, 47063, 59448, 94126, 141189, 188252, 282378, 376504, 564756, 894197, 1129512, 1788394, 2682591, 3576788, 5365182, 7153576, 10730364, 21460728]

約数ペア:

[(1, 21460728), (2, 10730364), (3, 7153576), (4, 5365182), (6, 3576788), (8, 2682591), (12, 1788394), (19, 1129512), (24, 894197), (38, 564756), (57, 376504), (76, 282378), (114, 188252), (152, 141189), (228, 94126), (361, 59448), (456, 47063), (722, 29724), (1083, 19816), (1444, 14862), (2166, 9908), (2477, 8664), (2888, 7431), (4332, 4954)]