21972375

素因数分解:

$3^2\times 5^3\times {\mathrm{19531}}^1$

素因数の和:19552

約数の個数: 24

約数和(自身を含む): 39610896

約数和(自身を除く): 17638521

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 225, 375, 1125, 19531, 58593, 97655, 175779, 292965, 488275, 878895, 1464825, 2441375, 4394475, 7324125, 21972375]

約数ペア:

[(1, 21972375), (3, 7324125), (5, 4394475), (9, 2441375), (15, 1464825), (25, 878895), (45, 488275), (75, 292965), (125, 175779), (225, 97655), (375, 58593), (1125, 19531)]