21296550

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{12907}}^1$

素因数の和:12933

約数の個数: 48

約数和(自身を含む): 57621312

約数和(自身を除く): 36324762

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 25, 30, 33, 50, 55, 66, 75, 110, 150, 165, 275, 330, 550, 825, 1650, 12907, 25814, 38721, 64535, 77442, 129070, 141977, 193605, 283954, 322675, 387210, 425931, 645350, 709885, 851862, 968025, 1419770, 1936050, 2129655, 3549425, 4259310, 7098850, 10648275, 21296550]

約数ペア:

[(1, 21296550), (2, 10648275), (3, 7098850), (5, 4259310), (6, 3549425), (10, 2129655), (11, 1936050), (15, 1419770), (22, 968025), (25, 851862), (30, 709885), (33, 645350), (50, 425931), (55, 387210), (66, 322675), (75, 283954), (110, 193605), (150, 141977), (165, 129070), (275, 77442), (330, 64535), (550, 38721), (825, 25814), (1650, 12907)]