21985875

素因数分解:

$3^2\times 5^3\times {\mathrm{19543}}^1$

素因数の和:19564

約数の個数: 24

約数和(自身を含む): 39635232

約数和(自身を除く): 17649357

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 225, 375, 1125, 19543, 58629, 97715, 175887, 293145, 488575, 879435, 1465725, 2442875, 4397175, 7328625, 21985875]

約数ペア:

[(1, 21985875), (3, 7328625), (5, 4397175), (9, 2442875), (15, 1465725), (25, 879435), (45, 488575), (75, 293145), (125, 175887), (225, 97715), (375, 58629), (1125, 19543)]