21929313

素因数分解:

$3^1\times 7^2\times {\mathrm{241}}^1\times {\mathrm{619}}^1$

素因数の和:877

約数の個数: 24

約数和(自身を含む): 34209120

約数和(自身を除く): 12279807

約数列:

[1, 3, 7, 21, 49, 147, 241, 619, 723, 1687, 1857, 4333, 5061, 11809, 12999, 30331, 35427, 90993, 149179, 447537, 1044253, 3132759, 7309771, 21929313]

約数ペア:

[(1, 21929313), (3, 7309771), (7, 3132759), (21, 1044253), (49, 447537), (147, 149179), (241, 90993), (619, 35427), (723, 30331), (1687, 12999), (1857, 11809), (4333, 5061)]