21918596

素因数分解:

$2^2\times 7^1\times {\mathrm{349}}^1\times {\mathrm{2243}}^1$

素因数の和:2603

約数の個数: 24

約数和(自身を含む): 43982400

約数和(自身を除く): 22063804

約数列:

[1, 2, 4, 7, 14, 28, 349, 698, 1396, 2243, 2443, 4486, 4886, 8972, 9772, 15701, 31402, 62804, 782807, 1565614, 3131228, 5479649, 10959298, 21918596]

約数ペア:

[(1, 21918596), (2, 10959298), (4, 5479649), (7, 3131228), (14, 1565614), (28, 782807), (349, 62804), (698, 31402), (1396, 15701), (2243, 9772), (2443, 8972), (4486, 4886)]