21383010

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21599}}^1$

素因数の和:21623

約数の個数: 48

約数和(自身を含む): 60652800

約数和(自身を除く): 39269790

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, 21599, 43198, 64797, 107995, 129594, 194391, 215990, 237589, 323985, 388782, 475178, 647970, 712767, 971955, 1187945, 1425534, 1943910, 2138301, 2375890, 3563835, 4276602, 7127670, 10691505, 21383010]

約数ペア:

[(1, 21383010), (2, 10691505), (3, 7127670), (5, 4276602), (6, 3563835), (9, 2375890), (10, 2138301), (11, 1943910), (15, 1425534), (18, 1187945), (22, 971955), (30, 712767), (33, 647970), (45, 475178), (55, 388782), (66, 323985), (90, 237589), (99, 215990), (110, 194391), (165, 129594), (198, 107995), (330, 64797), (495, 43198), (990, 21599)]