21796140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{363269}}^1$

素因数の和:363281

約数の個数: 24

約数和(自身を含む): 61029360

約数和(自身を除く): 39233220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 363269, 726538, 1089807, 1453076, 1816345, 2179614, 3632690, 4359228, 5449035, 7265380, 10898070, 21796140]

約数ペア:

[(1, 21796140), (2, 10898070), (3, 7265380), (4, 5449035), (5, 4359228), (6, 3632690), (10, 2179614), (12, 1816345), (15, 1453076), (20, 1089807), (30, 726538), (60, 363269)]