21376610

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{27059}}^1$

素因数の和:27145

約数の個数: 16

約数和(自身を含む): 38966400

約数和(自身を除く): 17589790

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 27059, 54118, 135295, 270590, 2137661, 4275322, 10688305, 21376610]

約数ペア:

[(1, 21376610), (2, 10688305), (5, 4275322), (10, 2137661), (79, 270590), (158, 135295), (395, 54118), (790, 27059)]