21722050

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1171}}^1$

素因数の和:1243

約数の個数: 48

約数和(自身を含む): 47086272

約数和(自身を除く): 25364222

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 53, 70, 106, 175, 265, 350, 371, 530, 742, 1171, 1325, 1855, 2342, 2650, 3710, 5855, 8197, 9275, 11710, 16394, 18550, 29275, 40985, 58550, 62063, 81970, 124126, 204925, 310315, 409850, 434441, 620630, 868882, 1551575, 2172205, 3103150, 4344410, 10861025, 21722050]

約数ペア:

[(1, 21722050), (2, 10861025), (5, 4344410), (7, 3103150), (10, 2172205), (14, 1551575), (25, 868882), (35, 620630), (50, 434441), (53, 409850), (70, 310315), (106, 204925), (175, 124126), (265, 81970), (350, 62063), (371, 58550), (530, 40985), (742, 29275), (1171, 18550), (1325, 16394), (1855, 11710), (2342, 9275), (2650, 8197), (3710, 5855)]