21021360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{87589}}^1$

素因数の和:87605

約数の個数: 40

約数和(自身を含む): 65166960

約数和(自身を除く): 44145600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 87589, 175178, 262767, 350356, 437945, 525534, 700712, 875890, 1051068, 1313835, 1401424, 1751780, 2102136, 2627670, 3503560, 4204272, 5255340, 7007120, 10510680, 21021360]

約数ペア:

[(1, 21021360), (2, 10510680), (3, 7007120), (4, 5255340), (5, 4204272), (6, 3503560), (8, 2627670), (10, 2102136), (12, 1751780), (15, 1401424), (16, 1313835), (20, 1051068), (24, 875890), (30, 700712), (40, 525534), (48, 437945), (60, 350356), (80, 262767), (120, 175178), (240, 87589)]