21229916

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{9011}}^1$

素因数の和:9065

約数の個数: 24

約数和(自身を含む): 40373760

約数和(自身を除く): 19143844

約数列:

[1, 2, 4, 19, 31, 38, 62, 76, 124, 589, 1178, 2356, 9011, 18022, 36044, 171209, 279341, 342418, 558682, 684836, 1117364, 5307479, 10614958, 21229916]

約数ペア:

[(1, 21229916), (2, 10614958), (4, 5307479), (19, 1117364), (31, 684836), (38, 558682), (62, 342418), (76, 279341), (124, 171209), (589, 36044), (1178, 18022), (2356, 9011)]