21960081

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{151}}^1$

素因数の和:294

約数の個数: 48

約数和(自身を含む): 37844352

約数和(自身を除く): 15884271

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 113, 117, 143, 151, 339, 429, 453, 1017, 1243, 1287, 1359, 1469, 1661, 1963, 3729, 4407, 4983, 5889, 11187, 13221, 14949, 16159, 17063, 17667, 21593, 48477, 51189, 64779, 145431, 153567, 187693, 194337, 221819, 563079, 665457, 1689237, 1996371, 2440009, 7320027, 21960081]

約数ペア:

[(1, 21960081), (3, 7320027), (9, 2440009), (11, 1996371), (13, 1689237), (33, 665457), (39, 563079), (99, 221819), (113, 194337), (117, 187693), (143, 153567), (151, 145431), (339, 64779), (429, 51189), (453, 48477), (1017, 21593), (1243, 17667), (1287, 17063), (1359, 16159), (1469, 14949), (1661, 13221), (1963, 11187), (3729, 5889), (4407, 4983)]