21349550

素因数分解:

$2^1\times 5^2\times {\mathrm{67}}^1\times {\mathrm{6373}}^1$

素因数の和:6452

約数の個数: 24

約数和(自身を含む): 40309176

約数和(自身を除く): 18959626

約数列:

[1, 2, 5, 10, 25, 50, 67, 134, 335, 670, 1675, 3350, 6373, 12746, 31865, 63730, 159325, 318650, 426991, 853982, 2134955, 4269910, 10674775, 21349550]

約数ペア:

[(1, 21349550), (2, 10674775), (5, 4269910), (10, 2134955), (25, 853982), (50, 426991), (67, 318650), (134, 159325), (335, 63730), (670, 31865), (1675, 12746), (3350, 6373)]