21037018

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1\times {\mathrm{1699}}^1$

素因数の和:1893

約数の個数: 16

約数和(自身を含む): 32558400

約数和(自身を除く): 11521382

約数列:

[1, 2, 41, 82, 151, 302, 1699, 3398, 6191, 12382, 69659, 139318, 256549, 513098, 10518509, 21037018]

約数ペア:

[(1, 21037018), (2, 10518509), (41, 513098), (82, 256549), (151, 139318), (302, 69659), (1699, 12382), (3398, 6191)]