21261360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{88589}}^1$

素因数の和:88605

約数の個数: 40

約数和(自身を含む): 65910960

約数和(自身を除く): 44649600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 88589, 177178, 265767, 354356, 442945, 531534, 708712, 885890, 1063068, 1328835, 1417424, 1771780, 2126136, 2657670, 3543560, 4252272, 5315340, 7087120, 10630680, 21261360]

約数ペア:

[(1, 21261360), (2, 10630680), (3, 7087120), (4, 5315340), (5, 4252272), (6, 3543560), (8, 2657670), (10, 2126136), (12, 1771780), (15, 1417424), (16, 1328835), (20, 1063068), (24, 885890), (30, 708712), (40, 531534), (48, 442945), (60, 354356), (80, 265767), (120, 177178), (240, 88589)]