21382125

素因数分解:

$3^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{3001}}^1$

素因数の和:3038

約数の個数: 32

約数和(自身を含む): 37464960

約数和(自身を除く): 16082835

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 125, 285, 375, 475, 1425, 2375, 3001, 7125, 9003, 15005, 45015, 57019, 75025, 171057, 225075, 285095, 375125, 855285, 1125375, 1425475, 4276425, 7127375, 21382125]

約数ペア:

[(1, 21382125), (3, 7127375), (5, 4276425), (15, 1425475), (19, 1125375), (25, 855285), (57, 375125), (75, 285095), (95, 225075), (125, 171057), (285, 75025), (375, 57019), (475, 45015), (1425, 15005), (2375, 9003), (3001, 7125)]