21677640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{180647}}^1$

素因数の和:180661

約数の個数: 32

約数和(自身を含む): 65033280

約数和(自身を除く): 43355640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 180647, 361294, 541941, 722588, 903235, 1083882, 1445176, 1806470, 2167764, 2709705, 3612940, 4335528, 5419410, 7225880, 10838820, 21677640]

約数ペア:

[(1, 21677640), (2, 10838820), (3, 7225880), (4, 5419410), (5, 4335528), (6, 3612940), (8, 2709705), (10, 2167764), (12, 1806470), (15, 1445176), (20, 1083882), (24, 903235), (30, 722588), (40, 541941), (60, 361294), (120, 180647)]