21301830

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21517}}^1$

素因数の和:21541

約数の個数: 48

約数和(自身を含む): 60422544

約数和(自身を除く): 39120714

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990, 21517, 43034, 64551, 107585, 129102, 193653, 215170, 236687, 322755, 387306, 473374, 645510, 710061, 968265, 1183435, 1420122, 1936530, 2130183, 2366870, 3550305, 4260366, 7100610, 10650915, 21301830]

約数ペア:

[(1, 21301830), (2, 10650915), (3, 7100610), (5, 4260366), (6, 3550305), (9, 2366870), (10, 2130183), (11, 1936530), (15, 1420122), (18, 1183435), (22, 968265), (30, 710061), (33, 645510), (45, 473374), (55, 387306), (66, 322755), (90, 236687), (99, 215170), (110, 193653), (165, 129102), (198, 107585), (330, 64551), (495, 43034), (990, 21517)]