21646260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{2269}}^1$

素因数の和:2337

約数の個数: 72

約数和(自身を含む): 66928680

約数和(自身を除く): 45282420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 53, 60, 90, 106, 159, 180, 212, 265, 318, 477, 530, 636, 795, 954, 1060, 1590, 1908, 2269, 2385, 3180, 4538, 4770, 6807, 9076, 9540, 11345, 13614, 20421, 22690, 27228, 34035, 40842, 45380, 68070, 81684, 102105, 120257, 136140, 204210, 240514, 360771, 408420, 481028, 601285, 721542, 1082313, 1202570, 1443084, 1803855, 2164626, 2405140, 3607710, 4329252, 5411565, 7215420, 10823130, 21646260]

約数ペア:

[(1, 21646260), (2, 10823130), (3, 7215420), (4, 5411565), (5, 4329252), (6, 3607710), (9, 2405140), (10, 2164626), (12, 1803855), (15, 1443084), (18, 1202570), (20, 1082313), (30, 721542), (36, 601285), (45, 481028), (53, 408420), (60, 360771), (90, 240514), (106, 204210), (159, 136140), (180, 120257), (212, 102105), (265, 81684), (318, 68070), (477, 45380), (530, 40842), (636, 34035), (795, 27228), (954, 22690), (1060, 20421), (1590, 13614), (1908, 11345), (2269, 9540), (2385, 9076), (3180, 6807), (4538, 4770)]