21460875

素因数分解:

$3^1\times 5^3\times {\mathrm{151}}^1\times {\mathrm{379}}^1$

素因数の和:548

約数の個数: 32

約数和(自身を含む): 36042240

約数和(自身を除く): 14581365

約数列:

[1, 3, 5, 15, 25, 75, 125, 151, 375, 379, 453, 755, 1137, 1895, 2265, 3775, 5685, 9475, 11325, 18875, 28425, 47375, 56625, 57229, 142125, 171687, 286145, 858435, 1430725, 4292175, 7153625, 21460875]

約数ペア:

[(1, 21460875), (3, 7153625), (5, 4292175), (15, 1430725), (25, 858435), (75, 286145), (125, 171687), (151, 142125), (375, 57229), (379, 56625), (453, 47375), (755, 28425), (1137, 18875), (1895, 11325), (2265, 9475), (3775, 5685)]