21256008

素因数分解:

$2^3\times 3^1\times {\mathrm{191}}^1\times {\mathrm{4637}}^1$

素因数の和:4837

約数の個数: 32

約数和(自身を含む): 53429760

約数和(自身を除く): 32173752

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 191, 382, 573, 764, 1146, 1528, 2292, 4584, 4637, 9274, 13911, 18548, 27822, 37096, 55644, 111288, 885667, 1771334, 2657001, 3542668, 5314002, 7085336, 10628004, 21256008]

約数ペア:

[(1, 21256008), (2, 10628004), (3, 7085336), (4, 5314002), (6, 3542668), (8, 2657001), (12, 1771334), (24, 885667), (191, 111288), (382, 55644), (573, 37096), (764, 27822), (1146, 18548), (1528, 13911), (2292, 9274), (4584, 4637)]