21250458

素因数分解:

$2^1\times 3^3\times {\mathrm{193}}^1\times {\mathrm{2039}}^1$

素因数の和:2243

約数の個数: 32

約数和(自身を含む): 47491200

約数和(自身を除く): 26240742

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 193, 386, 579, 1158, 1737, 2039, 3474, 4078, 5211, 6117, 10422, 12234, 18351, 36702, 55053, 110106, 393527, 787054, 1180581, 2361162, 3541743, 7083486, 10625229, 21250458]

約数ペア:

[(1, 21250458), (2, 10625229), (3, 7083486), (6, 3541743), (9, 2361162), (18, 1180581), (27, 787054), (54, 393527), (193, 110106), (386, 55053), (579, 36702), (1158, 18351), (1737, 12234), (2039, 10422), (3474, 6117), (4078, 5211)]