21041974

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1\times {\mathrm{1571}}^1$

素因数の和:1791

約数の個数: 16

約数和(自身を含む): 32615856

約数和(自身を除く): 11573882

約数列:

[1, 2, 37, 74, 181, 362, 1571, 3142, 6697, 13394, 58127, 116254, 284351, 568702, 10520987, 21041974]

約数ペア:

[(1, 21041974), (2, 10520987), (37, 568702), (74, 284351), (181, 116254), (362, 58127), (1571, 13394), (3142, 6697)]