21869174

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{499}}^1\times {\mathrm{1289}}^1$

素因数の和:1807

約数の個数: 16

約数和(自身を含む): 34830000

約数和(自身を除く): 12960826

約数列:

[1, 2, 17, 34, 499, 998, 1289, 2578, 8483, 16966, 21913, 43826, 643211, 1286422, 10934587, 21869174]

約数ペア:

[(1, 21869174), (2, 10934587), (17, 1286422), (34, 643211), (499, 43826), (998, 21913), (1289, 16966), (2578, 8483)]