21903030

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{243367}}^1$

素因数の和:243380

約数の個数: 24

約数和(自身を含む): 56948112

約数和(自身を除く): 35045082

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 243367, 486734, 730101, 1216835, 1460202, 2190303, 2433670, 3650505, 4380606, 7301010, 10951515, 21903030]

約数ペア:

[(1, 21903030), (2, 10951515), (3, 7301010), (5, 4380606), (6, 3650505), (9, 2433670), (10, 2190303), (15, 1460202), (18, 1216835), (30, 730101), (45, 486734), (90, 243367)]