21203738

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{2837}}^1$

素因数の和:2977

約数の個数: 16

約数和(自身を含む): 33000264

約数和(自身を除く): 11796526

約数列:

[1, 2, 37, 74, 101, 202, 2837, 3737, 5674, 7474, 104969, 209938, 286537, 573074, 10601869, 21203738]

約数ペア:

[(1, 21203738), (2, 10601869), (37, 573074), (74, 286537), (101, 209938), (202, 104969), (2837, 7474), (3737, 5674)]