21656418

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{233}}^1\times {\mathrm{2213}}^1$

素因数の和:2458

約数の個数: 32

約数和(自身を含む): 49735296

約数和(自身を除く): 28078878

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 233, 466, 699, 1398, 1631, 2213, 3262, 4426, 4893, 6639, 9786, 13278, 15491, 30982, 46473, 92946, 515629, 1031258, 1546887, 3093774, 3609403, 7218806, 10828209, 21656418]

約数ペア:

[(1, 21656418), (2, 10828209), (3, 7218806), (6, 3609403), (7, 3093774), (14, 1546887), (21, 1031258), (42, 515629), (233, 92946), (466, 46473), (699, 30982), (1398, 15491), (1631, 13278), (2213, 9786), (3262, 6639), (4426, 4893)]