21621290

素因数分解:

$2^1\times 5^1\times {\mathrm{751}}^1\times {\mathrm{2879}}^1$

素因数の和:3637

約数の個数: 16

約数和(自身を含む): 38983680

約数和(自身を除く): 17362390

約数列:

[1, 2, 5, 10, 751, 1502, 2879, 3755, 5758, 7510, 14395, 28790, 2162129, 4324258, 10810645, 21621290]

約数ペア:

[(1, 21621290), (2, 10810645), (5, 4324258), (10, 2162129), (751, 28790), (1502, 14395), (2879, 7510), (3755, 5758)]