21956554

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{331}}^1\times {\mathrm{1951}}^1$

素因数の和:2301

約数の個数: 16

約数和(自身を含む): 34995456

約数和(自身を除く): 13038902

約数列:

[1, 2, 17, 34, 331, 662, 1951, 3902, 5627, 11254, 33167, 66334, 645781, 1291562, 10978277, 21956554]

約数ペア:

[(1, 21956554), (2, 10978277), (17, 1291562), (34, 645781), (331, 66334), (662, 33167), (1951, 11254), (3902, 5627)]