21283425

素因数分解:

$3^3\times 5^2\times {\mathrm{31531}}^1$

素因数の和:31550

約数の個数: 24

約数和(自身を含む): 39099680

約数和(自身を除く): 17816255

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 675, 31531, 94593, 157655, 283779, 472965, 788275, 851337, 1418895, 2364825, 4256685, 7094475, 21283425]

約数ペア:

[(1, 21283425), (3, 7094475), (5, 4256685), (9, 2364825), (15, 1418895), (25, 851337), (27, 788275), (45, 472965), (75, 283779), (135, 157655), (225, 94593), (675, 31531)]