21909468

素因数分解:

$2^2\times 3^1\times 7^3\times {\mathrm{5323}}^1$

素因数の和:5351

約数の個数: 48

約数和(自身を含む): 59628800

約数和(自身を除く): 37719332

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 343, 588, 686, 1029, 1372, 2058, 4116, 5323, 10646, 15969, 21292, 31938, 37261, 63876, 74522, 111783, 149044, 223566, 260827, 447132, 521654, 782481, 1043308, 1564962, 1825789, 3129924, 3651578, 5477367, 7303156, 10954734, 21909468]

約数ペア:

[(1, 21909468), (2, 10954734), (3, 7303156), (4, 5477367), (6, 3651578), (7, 3129924), (12, 1825789), (14, 1564962), (21, 1043308), (28, 782481), (42, 521654), (49, 447132), (84, 260827), (98, 223566), (147, 149044), (196, 111783), (294, 74522), (343, 63876), (588, 37261), (686, 31938), (1029, 21292), (1372, 15969), (2058, 10646), (4116, 5323)]