21083700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{6389}}^1$

素因数の和:6417

約数の個数: 72

約数和(自身を含む): 66558240

約数和(自身を除く): 45474540

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, 6389, 12778, 19167, 25556, 31945, 38334, 63890, 70279, 76668, 95835, 127780, 140558, 159725, 191670, 210837, 281116, 319450, 351395, 383340, 421674, 479175, 638900, 702790, 843348, 958350, 1054185, 1405580, 1756975, 1916700, 2108370, 3513950, 4216740, 5270925, 7027900, 10541850, 21083700]

約数ペア:

[(1, 21083700), (2, 10541850), (3, 7027900), (4, 5270925), (5, 4216740), (6, 3513950), (10, 2108370), (11, 1916700), (12, 1756975), (15, 1405580), (20, 1054185), (22, 958350), (25, 843348), (30, 702790), (33, 638900), (44, 479175), (50, 421674), (55, 383340), (60, 351395), (66, 319450), (75, 281116), (100, 210837), (110, 191670), (132, 159725), (150, 140558), (165, 127780), (220, 95835), (275, 76668), (300, 70279), (330, 63890), (550, 38334), (660, 31945), (825, 25556), (1100, 19167), (1650, 12778), (3300, 6389)]