21885825

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{22447}}^1$

素因数の和:22473

約数の個数: 24

約数和(自身を含む): 38969728

約数和(自身を除く): 17083903

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 975, 22447, 67341, 112235, 291811, 336705, 561175, 875433, 1459055, 1683525, 4377165, 7295275, 21885825]

約数ペア:

[(1, 21885825), (3, 7295275), (5, 4377165), (13, 1683525), (15, 1459055), (25, 875433), (39, 561175), (65, 336705), (75, 291811), (195, 112235), (325, 67341), (975, 22447)]