21858210

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{22079}}^1$

素因数の和:22103

約数の個数: 48

約数和(自身を含む): 62000640

約数和(自身を除く): 40142430

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, 22079, 44158, 66237, 110395, 132474, 198711, 220790, 242869, 331185, 397422, 485738, 662370, 728607, 993555, 1214345, 1457214, 1987110, 2185821, 2428690, 3643035, 4371642, 7286070, 10929105, 21858210]

約数ペア:

[(1, 21858210), (2, 10929105), (3, 7286070), (5, 4371642), (6, 3643035), (9, 2428690), (10, 2185821), (11, 1987110), (15, 1457214), (18, 1214345), (22, 993555), (30, 728607), (33, 662370), (45, 485738), (55, 397422), (66, 331185), (90, 242869), (99, 220790), (110, 198711), (165, 132474), (198, 110395), (330, 66237), (495, 44158), (990, 22079)]