21755310

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{6653}}^1$

素因数の和:6772

約数の個数: 32

約数和(自身を含む): 52699680

約数和(自身を除く): 30944370

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 109, 218, 327, 545, 654, 1090, 1635, 3270, 6653, 13306, 19959, 33265, 39918, 66530, 99795, 199590, 725177, 1450354, 2175531, 3625885, 4351062, 7251770, 10877655, 21755310]

約数ペア:

[(1, 21755310), (2, 10877655), (3, 7251770), (5, 4351062), (6, 3625885), (10, 2175531), (15, 1450354), (30, 725177), (109, 199590), (218, 99795), (327, 66530), (545, 39918), (654, 33265), (1090, 19959), (1635, 13306), (3270, 6653)]