21208875

素因数分解:

$3^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{2459}}^1$

素因数の和:2500

約数の個数: 32

約数和(自身を含む): 36840960

約数和(自身を除く): 15632085

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 115, 125, 345, 375, 575, 1725, 2459, 2875, 7377, 8625, 12295, 36885, 56557, 61475, 169671, 184425, 282785, 307375, 848355, 922125, 1413925, 4241775, 7069625, 21208875]

約数ペア:

[(1, 21208875), (3, 7069625), (5, 4241775), (15, 1413925), (23, 922125), (25, 848355), (69, 307375), (75, 282785), (115, 184425), (125, 169671), (345, 61475), (375, 56557), (575, 36885), (1725, 12295), (2459, 8625), (2875, 7377)]