21977804

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{7883}}^1$

素因数の和:7945

約数の個数: 24

約数和(自身を含む): 41722128

約数和(自身を除く): 19744324

約数列:

[1, 2, 4, 17, 34, 41, 68, 82, 164, 697, 1394, 2788, 7883, 15766, 31532, 134011, 268022, 323203, 536044, 646406, 1292812, 5494451, 10988902, 21977804]

約数ペア:

[(1, 21977804), (2, 10988902), (4, 5494451), (17, 1292812), (34, 646406), (41, 536044), (68, 323203), (82, 268022), (164, 134011), (697, 31532), (1394, 15766), (2788, 7883)]