21284332

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{2719}}^1$

素因数の和:2845

約数の個数: 24

約数和(自身を含む): 39603200

約数和(自身を除く): 18318868

約数列:

[1, 2, 4, 19, 38, 76, 103, 206, 412, 1957, 2719, 3914, 5438, 7828, 10876, 51661, 103322, 206644, 280057, 560114, 1120228, 5321083, 10642166, 21284332]

約数ペア:

[(1, 21284332), (2, 10642166), (4, 5321083), (19, 1120228), (38, 560114), (76, 280057), (103, 206644), (206, 103322), (412, 51661), (1957, 10876), (2719, 7828), (3914, 5438)]