21470670

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2039}}^1$

素因数の和:2071

約数の個数: 80

約数和(自身を含む): 62203680

約数和(自身を除く): 40733010

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 78, 81, 90, 117, 130, 135, 162, 195, 234, 270, 351, 390, 405, 585, 702, 810, 1053, 1170, 1755, 2039, 2106, 3510, 4078, 5265, 6117, 10195, 10530, 12234, 18351, 20390, 26507, 30585, 36702, 53014, 55053, 61170, 79521, 91755, 110106, 132535, 159042, 165159, 183510, 238563, 265070, 275265, 330318, 397605, 477126, 550530, 715689, 795210, 825795, 1192815, 1431378, 1651590, 2147067, 2385630, 3578445, 4294134, 7156890, 10735335, 21470670]

約数ペア:

[(1, 21470670), (2, 10735335), (3, 7156890), (5, 4294134), (6, 3578445), (9, 2385630), (10, 2147067), (13, 1651590), (15, 1431378), (18, 1192815), (26, 825795), (27, 795210), (30, 715689), (39, 550530), (45, 477126), (54, 397605), (65, 330318), (78, 275265), (81, 265070), (90, 238563), (117, 183510), (130, 165159), (135, 159042), (162, 132535), (195, 110106), (234, 91755), (270, 79521), (351, 61170), (390, 55053), (405, 53014), (585, 36702), (702, 30585), (810, 26507), (1053, 20390), (1170, 18351), (1755, 12234), (2039, 10530), (2106, 10195), (3510, 6117), (4078, 5265)]