21314375

素因数分解:

$5^4\times {\mathrm{67}}^1\times {\mathrm{509}}^1$

素因数の和:596

約数の個数: 20

約数和(自身を含む): 27085080

約数和(自身を除く): 5770705

約数列:

[1, 5, 25, 67, 125, 335, 509, 625, 1675, 2545, 8375, 12725, 34103, 41875, 63625, 170515, 318125, 852575, 4262875, 21314375]

約数ペア:

[(1, 21314375), (5, 4262875), (25, 852575), (67, 318125), (125, 170515), (335, 63625), (509, 41875), (625, 34103), (1675, 12725), (2545, 8375)]