21986320694

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{49742807}}^1$

素因数の和:49742839

約数の個数: 16

約数和(自身を含む): 37605562848

約数和(自身を除く): 15619242154

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 49742807, 99485614, 646656491, 845627719, 1293312982, 1691255438, 10993160347, 21986320694]

約数ペア:

[(1, 21986320694), (2, 10993160347), (13, 1691255438), (17, 1293312982), (26, 845627719), (34, 646656491), (221, 99485614), (442, 49742807)]