21346450

素因数分解:

$2^1\times 5^2\times {\mathrm{131}}^1\times {\mathrm{3259}}^1$

素因数の和:3402

約数の個数: 24

約数和(自身を含む): 40019760

約数和(自身を除く): 18673310

約数列:

[1, 2, 5, 10, 25, 50, 131, 262, 655, 1310, 3259, 3275, 6518, 6550, 16295, 32590, 81475, 162950, 426929, 853858, 2134645, 4269290, 10673225, 21346450]

約数ペア:

[(1, 21346450), (2, 10673225), (5, 4269290), (10, 2134645), (25, 853858), (50, 426929), (131, 162950), (262, 81475), (655, 32590), (1310, 16295), (3259, 6550), (3275, 6518)]