21529260

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{39869}}^1$

素因数の和:39887

約数の個数: 48

約数和(自身を含む): 66981600

約数和(自身を除く): 45452340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 39869, 79738, 119607, 159476, 199345, 239214, 358821, 398690, 478428, 598035, 717642, 797380, 1076463, 1196070, 1435284, 1794105, 2152926, 2392140, 3588210, 4305852, 5382315, 7176420, 10764630, 21529260]

約数ペア:

[(1, 21529260), (2, 10764630), (3, 7176420), (4, 5382315), (5, 4305852), (6, 3588210), (9, 2392140), (10, 2152926), (12, 1794105), (15, 1435284), (18, 1196070), (20, 1076463), (27, 797380), (30, 717642), (36, 598035), (45, 478428), (54, 398690), (60, 358821), (90, 239214), (108, 199345), (135, 159476), (180, 119607), (270, 79738), (540, 39869)]