21474297

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{6329}}^1$

素因数の和:6377

約数の個数: 24

約数和(自身を含む): 34561800

約数和(自身を除く): 13087503

約数列:

[1, 3, 9, 13, 29, 39, 87, 117, 261, 377, 1131, 3393, 6329, 18987, 56961, 82277, 183541, 246831, 550623, 740493, 1651869, 2386033, 7158099, 21474297]

約数ペア:

[(1, 21474297), (3, 7158099), (9, 2386033), (13, 1651869), (29, 740493), (39, 550623), (87, 246831), (117, 183541), (261, 82277), (377, 56961), (1131, 18987), (3393, 6329)]