21038672500

素因数分解:

$2^2\times 5^4\times {\mathrm{8415469}}^1$

素因数の和:8415493

約数の個数: 30

約数和(自身を含む): 46007374490

約数和(自身を除く): 24968701990

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 1250, 2500, 8415469, 16830938, 33661876, 42077345, 84154690, 168309380, 210386725, 420773450, 841546900, 1051933625, 2103867250, 4207734500, 5259668125, 10519336250, 21038672500]

約数ペア:

[(1, 21038672500), (2, 10519336250), (4, 5259668125), (5, 4207734500), (10, 2103867250), (20, 1051933625), (25, 841546900), (50, 420773450), (100, 210386725), (125, 168309380), (250, 84154690), (500, 42077345), (625, 33661876), (1250, 16830938), (2500, 8415469)]