21552375

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{4421}}^1$

素因数の和:4452

約数の個数: 32

約数和(自身を含む): 38630592

約数和(自身を除く): 17078217

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 125, 195, 325, 375, 975, 1625, 4421, 4875, 13263, 22105, 57473, 66315, 110525, 172419, 287365, 331575, 552625, 862095, 1436825, 1657875, 4310475, 7184125, 21552375]

約数ペア:

[(1, 21552375), (3, 7184125), (5, 4310475), (13, 1657875), (15, 1436825), (25, 862095), (39, 552625), (65, 331575), (75, 287365), (125, 172419), (195, 110525), (325, 66315), (375, 57473), (975, 22105), (1625, 13263), (4421, 4875)]