21519300

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{6521}}^1$

素因数の和:6549

約数の個数: 72

約数和(自身を含む): 67933152

約数和(自身を除く): 46413852

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, 6521, 13042, 19563, 26084, 32605, 39126, 65210, 71731, 78252, 97815, 130420, 143462, 163025, 195630, 215193, 286924, 326050, 358655, 391260, 430386, 489075, 652100, 717310, 860772, 978150, 1075965, 1434620, 1793275, 1956300, 2151930, 3586550, 4303860, 5379825, 7173100, 10759650, 21519300]

約数ペア:

[(1, 21519300), (2, 10759650), (3, 7173100), (4, 5379825), (5, 4303860), (6, 3586550), (10, 2151930), (11, 1956300), (12, 1793275), (15, 1434620), (20, 1075965), (22, 978150), (25, 860772), (30, 717310), (33, 652100), (44, 489075), (50, 430386), (55, 391260), (60, 358655), (66, 326050), (75, 286924), (100, 215193), (110, 195630), (132, 163025), (150, 143462), (165, 130420), (220, 97815), (275, 78252), (300, 71731), (330, 65210), (550, 39126), (660, 32605), (825, 26084), (1100, 19563), (1650, 13042), (3300, 6521)]