21569352

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{128389}}^1$

素因数の和:128405

約数の個数: 32

約数和(自身を含む): 61627200

約数和(自身を除く): 40057848

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 128389, 256778, 385167, 513556, 770334, 898723, 1027112, 1540668, 1797446, 2696169, 3081336, 3594892, 5392338, 7189784, 10784676, 21569352]

約数ペア:

[(1, 21569352), (2, 10784676), (3, 7189784), (4, 5392338), (6, 3594892), (7, 3081336), (8, 2696169), (12, 1797446), (14, 1540668), (21, 1027112), (24, 898723), (28, 770334), (42, 513556), (56, 385167), (84, 256778), (168, 128389)]