21403410

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{101921}}^1$

素因数の和:101938

約数の個数: 32

約数和(自身を含む): 58707072

約数和(自身を除く): 37303662

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 101921, 203842, 305763, 509605, 611526, 713447, 1019210, 1426894, 1528815, 2140341, 3057630, 3567235, 4280682, 7134470, 10701705, 21403410]

約数ペア:

[(1, 21403410), (2, 10701705), (3, 7134470), (5, 4280682), (6, 3567235), (7, 3057630), (10, 2140341), (14, 1528815), (15, 1426894), (21, 1019210), (30, 713447), (35, 611526), (42, 509605), (70, 305763), (105, 203842), (210, 101921)]