21109320

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{307}}^1$

素因数の和:515

約数の個数: 96

約数和(自身を含む): 69189120

約数和(自身を除く): 48079800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 191, 307, 360, 382, 573, 614, 764, 921, 955, 1146, 1228, 1528, 1535, 1719, 1842, 1910, 2292, 2456, 2763, 2865, 3070, 3438, 3684, 3820, 4584, 4605, 5526, 5730, 6140, 6876, 7368, 7640, 8595, 9210, 11052, 11460, 12280, 13752, 13815, 17190, 18420, 22104, 22920, 27630, 34380, 36840, 55260, 58637, 68760, 110520, 117274, 175911, 234548, 293185, 351822, 469096, 527733, 586370, 703644, 879555, 1055466, 1172740, 1407288, 1759110, 2110932, 2345480, 2638665, 3518220, 4221864, 5277330, 7036440, 10554660, 21109320]

約数ペア:

[(1, 21109320), (2, 10554660), (3, 7036440), (4, 5277330), (5, 4221864), (6, 3518220), (8, 2638665), (9, 2345480), (10, 2110932), (12, 1759110), (15, 1407288), (18, 1172740), (20, 1055466), (24, 879555), (30, 703644), (36, 586370), (40, 527733), (45, 469096), (60, 351822), (72, 293185), (90, 234548), (120, 175911), (180, 117274), (191, 110520), (307, 68760), (360, 58637), (382, 55260), (573, 36840), (614, 34380), (764, 27630), (921, 22920), (955, 22104), (1146, 18420), (1228, 17190), (1528, 13815), (1535, 13752), (1719, 12280), (1842, 11460), (1910, 11052), (2292, 9210), (2456, 8595), (2763, 7640), (2865, 7368), (3070, 6876), (3438, 6140), (3684, 5730), (3820, 5526), (4584, 4605)]