21347700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{6469}}^1$

素因数の和:6497

約数の個数: 72

約数和(自身を含む): 67391520

約数和(自身を除く): 46043820

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 25, 30, 33, 44, 50, 55, 60, 66, 75, 100, 110, 132, 150, 165, 220, 275, 300, 330, 550, 660, 825, 1100, 1650, 3300, 6469, 12938, 19407, 25876, 32345, 38814, 64690, 71159, 77628, 97035, 129380, 142318, 161725, 194070, 213477, 284636, 323450, 355795, 388140, 426954, 485175, 646900, 711590, 853908, 970350, 1067385, 1423180, 1778975, 1940700, 2134770, 3557950, 4269540, 5336925, 7115900, 10673850, 21347700]

約数ペア:

[(1, 21347700), (2, 10673850), (3, 7115900), (4, 5336925), (5, 4269540), (6, 3557950), (10, 2134770), (11, 1940700), (12, 1778975), (15, 1423180), (20, 1067385), (22, 970350), (25, 853908), (30, 711590), (33, 646900), (44, 485175), (50, 426954), (55, 388140), (60, 355795), (66, 323450), (75, 284636), (100, 213477), (110, 194070), (132, 161725), (150, 142318), (165, 129380), (220, 97035), (275, 77628), (300, 71159), (330, 64690), (550, 38814), (660, 32345), (825, 25876), (1100, 19407), (1650, 12938), (3300, 6469)]