21664630

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{9803}}^1$

素因数の和:9840

約数の個数: 32

約数和(自身を含む): 44470944

約数和(自身を除く): 22806314

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 9803, 19606, 49015, 98030, 127439, 166651, 254878, 333302, 637195, 833255, 1274390, 1666510, 2166463, 4332926, 10832315, 21664630]

約数ペア:

[(1, 21664630), (2, 10832315), (5, 4332926), (10, 2166463), (13, 1666510), (17, 1274390), (26, 833255), (34, 637195), (65, 333302), (85, 254878), (130, 166651), (170, 127439), (221, 98030), (442, 49015), (1105, 19606), (2210, 9803)]