21372090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{557}}^1\times {\mathrm{1279}}^1$

素因数の和:1846

約数の個数: 32

約数和(自身を含む): 51425280

約数和(自身を除く): 30053190

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 557, 1114, 1279, 1671, 2558, 2785, 3342, 3837, 5570, 6395, 7674, 8355, 12790, 16710, 19185, 38370, 712403, 1424806, 2137209, 3562015, 4274418, 7124030, 10686045, 21372090]

約数ペア:

[(1, 21372090), (2, 10686045), (3, 7124030), (5, 4274418), (6, 3562015), (10, 2137209), (15, 1424806), (30, 712403), (557, 38370), (1114, 19185), (1279, 16710), (1671, 12790), (2558, 8355), (2785, 7674), (3342, 6395), (3837, 5570)]