21796485

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{719}}^1$

素因数の和:817

約数の個数: 32

約数和(自身を含む): 36495360

約数和(自身を除く): 14698875

約数列:

[1, 3, 5, 15, 43, 47, 129, 141, 215, 235, 645, 705, 719, 2021, 2157, 3595, 6063, 10105, 10785, 30315, 30917, 33793, 92751, 101379, 154585, 168965, 463755, 506895, 1453099, 4359297, 7265495, 21796485]

約数ペア:

[(1, 21796485), (3, 7265495), (5, 4359297), (15, 1453099), (43, 506895), (47, 463755), (129, 168965), (141, 154585), (215, 101379), (235, 92751), (645, 33793), (705, 30917), (719, 30315), (2021, 10785), (2157, 10105), (3595, 6063)]