21659235

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3583}}^1$

素因数の和:3635

約数の個数: 32

約数和(自身を含む): 38535168

約数和(自身を除く): 16875933

約数列:

[1, 3, 5, 13, 15, 31, 39, 65, 93, 155, 195, 403, 465, 1209, 2015, 3583, 6045, 10749, 17915, 46579, 53745, 111073, 139737, 232895, 333219, 555365, 698685, 1443949, 1666095, 4331847, 7219745, 21659235]

約数ペア:

[(1, 21659235), (3, 7219745), (5, 4331847), (13, 1666095), (15, 1443949), (31, 698685), (39, 555365), (65, 333219), (93, 232895), (155, 139737), (195, 111073), (403, 53745), (465, 46579), (1209, 17915), (2015, 10749), (3583, 6045)]