21743340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{21317}}^1$

素因数の和:21346

約数の個数: 48

約数和(自身を含む): 64465632

約数和(自身を除く): 42722292

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 21317, 42634, 63951, 85268, 106585, 127902, 213170, 255804, 319755, 362389, 426340, 639510, 724778, 1087167, 1279020, 1449556, 1811945, 2174334, 3623890, 4348668, 5435835, 7247780, 10871670, 21743340]

約数ペア:

[(1, 21743340), (2, 10871670), (3, 7247780), (4, 5435835), (5, 4348668), (6, 3623890), (10, 2174334), (12, 1811945), (15, 1449556), (17, 1279020), (20, 1087167), (30, 724778), (34, 639510), (51, 426340), (60, 362389), (68, 319755), (85, 255804), (102, 213170), (170, 127902), (204, 106585), (255, 85268), (340, 63951), (510, 42634), (1020, 21317)]