21223091570

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{40043569}}^1$

素因数の和:40043629

約数の個数: 16

約数和(自身を含む): 38922350040

約数和(自身を除く): 17699258470

約数列:

[1, 2, 5, 10, 53, 106, 265, 530, 40043569, 80087138, 200217845, 400435690, 2122309157, 4244618314, 10611545785, 21223091570]

約数ペア:

[(1, 21223091570), (2, 10611545785), (5, 4244618314), (10, 2122309157), (53, 400435690), (106, 200217845), (265, 80087138), (530, 40043569)]