21655425

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{26249}}^1$

素因数の和:26273

約数の個数: 24

約数和(自身を含む): 39060000

約数和(自身を除く): 17404575

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 165, 275, 825, 26249, 78747, 131245, 288739, 393735, 656225, 866217, 1443695, 1968675, 4331085, 7218475, 21655425]

約数ペア:

[(1, 21655425), (3, 7218475), (5, 4331085), (11, 1968675), (15, 1443695), (25, 866217), (33, 656225), (55, 393735), (75, 288739), (165, 131245), (275, 78747), (825, 26249)]