21462875

素因数分解:

$5^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1291}}^1$

素因数の和:1332

約数の個数: 32

約数和(自身を含む): 32248320

約数和(自身を除く): 10785445

約数列:

[1, 5, 7, 19, 25, 35, 95, 125, 133, 175, 475, 665, 875, 1291, 2375, 3325, 6455, 9037, 16625, 24529, 32275, 45185, 122645, 161375, 171703, 225925, 613225, 858515, 1129625, 3066125, 4292575, 21462875]

約数ペア:

[(1, 21462875), (5, 4292575), (7, 3066125), (19, 1129625), (25, 858515), (35, 613225), (95, 225925), (125, 171703), (133, 161375), (175, 122645), (475, 45185), (665, 32275), (875, 24529), (1291, 16625), (2375, 9037), (3325, 6455)]