21602290

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{93923}}^1$

素因数の和:93953

約数の個数: 16

約数和(自身を含む): 40575168

約数和(自身を除く): 18972878

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 93923, 187846, 469615, 939230, 2160229, 4320458, 10801145, 21602290]

約数ペア:

[(1, 21602290), (2, 10801145), (5, 4320458), (10, 2160229), (23, 939230), (46, 469615), (115, 187846), (230, 93923)]