21529598

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{239}}^1\times {\mathrm{617}}^1$

素因数の和:931

約数の個数: 16

約数和(自身を含む): 32927040

約数和(自身を除く): 11397442

約数列:

[1, 2, 73, 146, 239, 478, 617, 1234, 17447, 34894, 45041, 90082, 147463, 294926, 10764799, 21529598]

約数ペア:

[(1, 21529598), (2, 10764799), (73, 294926), (146, 147463), (239, 90082), (478, 45041), (617, 34894), (1234, 17447)]