21085117

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2251}}^1$

素因数の和:2316

約数の個数: 16

約数和(自身を含む): 24321600

約数和(自身を除く): 3236483

約数列:

[1, 17, 19, 29, 323, 493, 551, 2251, 9367, 38267, 42769, 65279, 727073, 1109743, 1240301, 21085117]

約数ペア:

[(1, 21085117), (17, 1240301), (19, 1109743), (29, 727073), (323, 65279), (493, 42769), (551, 38267), (2251, 9367)]