21036075

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{6841}}^1$

素因数の和:6895

約数の個数: 24

約数和(自身を含む): 35633136

約数和(自身を除く): 14597061

約数列:

[1, 3, 5, 15, 25, 41, 75, 123, 205, 615, 1025, 3075, 6841, 20523, 34205, 102615, 171025, 280481, 513075, 841443, 1402405, 4207215, 7012025, 21036075]

約数ペア:

[(1, 21036075), (3, 7012025), (5, 4207215), (15, 1402405), (25, 841443), (41, 513075), (75, 280481), (123, 171025), (205, 102615), (615, 34205), (1025, 20523), (3075, 6841)]