21620610

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21839}}^1$

素因数の和:21863

約数の個数: 48

約数和(自身を含む): 61326720

約数和(自身を除く): 39706110

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, 21839, 43678, 65517, 109195, 131034, 196551, 218390, 240229, 327585, 393102, 480458, 655170, 720687, 982755, 1201145, 1441374, 1965510, 2162061, 2402290, 3603435, 4324122, 7206870, 10810305, 21620610]

約数ペア:

[(1, 21620610), (2, 10810305), (3, 7206870), (5, 4324122), (6, 3603435), (9, 2402290), (10, 2162061), (11, 1965510), (15, 1441374), (18, 1201145), (22, 982755), (30, 720687), (33, 655170), (45, 480458), (55, 393102), (66, 327585), (90, 240229), (99, 218390), (110, 196551), (165, 131034), (198, 109195), (330, 65517), (495, 43678), (990, 21839)]