21883875

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{67}}^2$

素因数の和:165

約数の個数: 48

約数和(自身を含む): 39809952

約数和(自身を除く): 17926077

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 67, 75, 125, 195, 201, 325, 335, 375, 871, 975, 1005, 1625, 1675, 2613, 4355, 4489, 4875, 5025, 8375, 13065, 13467, 21775, 22445, 25125, 58357, 65325, 67335, 108875, 112225, 175071, 291785, 326625, 336675, 561125, 875355, 1458925, 1683375, 4376775, 7294625, 21883875]

約数ペア:

[(1, 21883875), (3, 7294625), (5, 4376775), (13, 1683375), (15, 1458925), (25, 875355), (39, 561125), (65, 336675), (67, 326625), (75, 291785), (125, 175071), (195, 112225), (201, 108875), (325, 67335), (335, 65325), (375, 58357), (871, 25125), (975, 22445), (1005, 21775), (1625, 13467), (1675, 13065), (2613, 8375), (4355, 5025), (4489, 4875)]