21286486

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{9199}}^1$

素因数の和:9303

約数の個数: 16

約数和(自身を含む): 34776000

約数和(自身を除く): 13489514

約数列:

[1, 2, 13, 26, 89, 178, 1157, 2314, 9199, 18398, 119587, 239174, 818711, 1637422, 10643243, 21286486]

約数ペア:

[(1, 21286486), (2, 10643243), (13, 1637422), (26, 818711), (89, 239174), (178, 119587), (1157, 18398), (2314, 9199)]