21444344

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{157679}}^1$

素因数の和:157702

約数の個数: 16

約数和(自身を含む): 42573600

約数和(自身を除く): 21129256

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 157679, 315358, 630716, 1261432, 2680543, 5361086, 10722172, 21444344]

約数ペア:

[(1, 21444344), (2, 10722172), (4, 5361086), (8, 2680543), (17, 1261432), (34, 630716), (68, 315358), (136, 157679)]