21125010

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{6581}}^1$

素因数の和:6698

約数の個数: 32

約数和(自身を含む): 51181632

約数和(自身を除く): 30056622

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 107, 214, 321, 535, 642, 1070, 1605, 3210, 6581, 13162, 19743, 32905, 39486, 65810, 98715, 197430, 704167, 1408334, 2112501, 3520835, 4225002, 7041670, 10562505, 21125010]

約数ペア:

[(1, 21125010), (2, 10562505), (3, 7041670), (5, 4225002), (6, 3520835), (10, 2112501), (15, 1408334), (30, 704167), (107, 197430), (214, 98715), (321, 65810), (535, 39486), (642, 32905), (1070, 19743), (1605, 13162), (3210, 6581)]