21507960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{179233}}^1$

素因数の和:179247

約数の個数: 32

約数和(自身を含む): 64524240

約数和(自身を除く): 43016280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 179233, 358466, 537699, 716932, 896165, 1075398, 1433864, 1792330, 2150796, 2688495, 3584660, 4301592, 5376990, 7169320, 10753980, 21507960]

約数ペア:

[(1, 21507960), (2, 10753980), (3, 7169320), (4, 5376990), (5, 4301592), (6, 3584660), (8, 2688495), (10, 2150796), (12, 1792330), (15, 1433864), (20, 1075398), (24, 896165), (30, 716932), (40, 537699), (60, 358466), (120, 179233)]