21689226

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{1571}}^1$

素因数の和:1651

約数の個数: 48

約数和(自身を含む): 51498720

約数和(自身を除く): 29809494

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 59, 78, 117, 118, 177, 234, 354, 531, 767, 1062, 1534, 1571, 2301, 3142, 4602, 4713, 6903, 9426, 13806, 14139, 20423, 28278, 40846, 61269, 92689, 122538, 183807, 185378, 278067, 367614, 556134, 834201, 1204957, 1668402, 2409914, 3614871, 7229742, 10844613, 21689226]

約数ペア:

[(1, 21689226), (2, 10844613), (3, 7229742), (6, 3614871), (9, 2409914), (13, 1668402), (18, 1204957), (26, 834201), (39, 556134), (59, 367614), (78, 278067), (117, 185378), (118, 183807), (177, 122538), (234, 92689), (354, 61269), (531, 40846), (767, 28278), (1062, 20423), (1534, 14139), (1571, 13806), (2301, 9426), (3142, 6903), (4602, 4713)]