21442018

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{719}}^1$

素因数の和:802

約数の個数: 32

約数和(自身を含む): 36771840

約数和(自身を除く): 15329822

約数列:

[1, 2, 13, 26, 31, 37, 62, 74, 403, 481, 719, 806, 962, 1147, 1438, 2294, 9347, 14911, 18694, 22289, 26603, 29822, 44578, 53206, 289757, 345839, 579514, 691678, 824693, 1649386, 10721009, 21442018]

約数ペア:

[(1, 21442018), (2, 10721009), (13, 1649386), (26, 824693), (31, 691678), (37, 579514), (62, 345839), (74, 289757), (403, 53206), (481, 44578), (719, 29822), (806, 26603), (962, 22289), (1147, 18694), (1438, 14911), (2294, 9347)]