21050412

素因数分解:

$2^2\times 3^1\times {\mathrm{409}}^1\times {\mathrm{4289}}^1$

素因数の和:4705

約数の個数: 24

約数和(自身を含む): 49249200

約数和(自身を除く): 28198788

約数列:

[1, 2, 3, 4, 6, 12, 409, 818, 1227, 1636, 2454, 4289, 4908, 8578, 12867, 17156, 25734, 51468, 1754201, 3508402, 5262603, 7016804, 10525206, 21050412]

約数ペア:

[(1, 21050412), (2, 10525206), (3, 7016804), (4, 5262603), (6, 3508402), (12, 1754201), (409, 51468), (818, 25734), (1227, 17156), (1636, 12867), (2454, 8578), (4289, 4908)]