21706178

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{49109}}^1$

素因数の和:49141

約数の個数: 16

約数和(自身を含む): 37127160

約数和(自身を除く): 15420982

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 49109, 98218, 638417, 834853, 1276834, 1669706, 10853089, 21706178]

約数ペア:

[(1, 21706178), (2, 10853089), (13, 1669706), (17, 1276834), (26, 834853), (34, 638417), (221, 98218), (442, 49109)]