21178912

素因数分解:

$2^5\times {\mathrm{113}}^1\times {\mathrm{5857}}^1$

素因数の和:5980

約数の個数: 24

約数和(自身を含む): 42072156

約数和(自身を除く): 20893244

約数列:

[1, 2, 4, 8, 16, 32, 113, 226, 452, 904, 1808, 3616, 5857, 11714, 23428, 46856, 93712, 187424, 661841, 1323682, 2647364, 5294728, 10589456, 21178912]

約数ペア:

[(1, 21178912), (2, 10589456), (4, 5294728), (8, 2647364), (16, 1323682), (32, 661841), (113, 187424), (226, 93712), (452, 46856), (904, 23428), (1808, 11714), (3616, 5857)]