21033992945

素因数分解:

$5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{307}}^1\times {\mathrm{33179}}^1$

素因数の和:33557

約数の個数: 32

約数和(自身を含む): 29431987200

約数和(自身を除く): 8397994255

約数列:

[1, 5, 7, 35, 59, 295, 307, 413, 1535, 2065, 2149, 10745, 18113, 33179, 90565, 126791, 165895, 232253, 633955, 1161265, 1957561, 9787805, 10185953, 13702927, 50929765, 68514635, 71301671, 356508355, 600971227, 3004856135, 4206798589, 21033992945]

約数ペア:

[(1, 21033992945), (5, 4206798589), (7, 3004856135), (35, 600971227), (59, 356508355), (295, 71301671), (307, 68514635), (413, 50929765), (1535, 13702927), (2065, 10185953), (2149, 9787805), (10745, 1957561), (18113, 1161265), (33179, 633955), (90565, 232253), (126791, 165895)]