21623564

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{1669}}^1$

素因数の和:1793

約数の個数: 24

約数和(自身を含む): 39278400

約数和(自身を除く): 17654836

約数列:

[1, 2, 4, 41, 79, 82, 158, 164, 316, 1669, 3239, 3338, 6478, 6676, 12956, 68429, 131851, 136858, 263702, 273716, 527404, 5405891, 10811782, 21623564]

約数ペア:

[(1, 21623564), (2, 10811782), (4, 5405891), (41, 527404), (79, 273716), (82, 263702), (158, 136858), (164, 131851), (316, 68429), (1669, 12956), (3239, 6676), (3338, 6478)]