21021332

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{853}}^1$

素因数の和:1019

約数の個数: 24

約数和(自身を含む): 37804872

約数和(自身を除く): 16783540

約数列:

[1, 2, 4, 61, 101, 122, 202, 244, 404, 853, 1706, 3412, 6161, 12322, 24644, 52033, 86153, 104066, 172306, 208132, 344612, 5255333, 10510666, 21021332]

約数ペア:

[(1, 21021332), (2, 10510666), (4, 5255333), (61, 344612), (101, 208132), (122, 172306), (202, 104066), (244, 86153), (404, 52033), (853, 24644), (1706, 12322), (3412, 6161)]