21082312

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{155017}}^1$

素因数の和:155040

約数の個数: 16

約数和(自身を含む): 41854860

約数和(自身を除く): 20772548

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 155017, 310034, 620068, 1240136, 2635289, 5270578, 10541156, 21082312]

約数ペア:

[(1, 21082312), (2, 10541156), (4, 5270578), (8, 2635289), (17, 1240136), (34, 620068), (68, 310034), (136, 155017)]