21210064

素因数分解:

$2^4\times {\mathrm{151}}^1\times {\mathrm{8779}}^1$

素因数の和:8938

約数の個数: 20

約数和(自身を含む): 41371360

約数和(自身を除く): 20161296

約数列:

[1, 2, 4, 8, 16, 151, 302, 604, 1208, 2416, 8779, 17558, 35116, 70232, 140464, 1325629, 2651258, 5302516, 10605032, 21210064]

約数ペア:

[(1, 21210064), (2, 10605032), (4, 5302516), (8, 2651258), (16, 1325629), (151, 140464), (302, 70232), (604, 35116), (1208, 17558), (2416, 8779)]