21114580

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{8059}}^1$

素因数の和:8199

約数の個数: 24

約数和(自身を含む): 44684640

約数和(自身を除く): 23570060

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 8059, 16118, 32236, 40295, 80590, 161180, 1055729, 2111458, 4222916, 5278645, 10557290, 21114580]

約数ペア:

[(1, 21114580), (2, 10557290), (4, 5278645), (5, 4222916), (10, 2111458), (20, 1055729), (131, 161180), (262, 80590), (524, 40295), (655, 32236), (1310, 16118), (2620, 8059)]