21804950

素因数分解:

$2^1\times 5^2\times {\mathrm{131}}^1\times {\mathrm{3329}}^1$

素因数の和:3472

約数の個数: 24

約数和(自身を含む): 40879080

約数和(自身を除く): 19074130

約数列:

[1, 2, 5, 10, 25, 50, 131, 262, 655, 1310, 3275, 3329, 6550, 6658, 16645, 33290, 83225, 166450, 436099, 872198, 2180495, 4360990, 10902475, 21804950]

約数ペア:

[(1, 21804950), (2, 10902475), (5, 4360990), (10, 2180495), (25, 872198), (50, 436099), (131, 166450), (262, 83225), (655, 33290), (1310, 16645), (3275, 6658), (3329, 6550)]