21025372

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{733}}^1$

素因数の和:909

約数の個数: 24

約数和(自身を含む): 37733472

約数和(自身を除く): 16708100

約数列:

[1, 2, 4, 71, 101, 142, 202, 284, 404, 733, 1466, 2932, 7171, 14342, 28684, 52043, 74033, 104086, 148066, 208172, 296132, 5256343, 10512686, 21025372]

約数ペア:

[(1, 21025372), (2, 10512686), (4, 5256343), (71, 296132), (101, 208172), (142, 148066), (202, 104086), (284, 74033), (404, 52043), (733, 28684), (1466, 14342), (2932, 7171)]