2021096455

素因数分解:

$5^1\times 7^1\times {\mathrm{2153}}^1\times {\mathrm{26821}}^1$

素因数の和:28986

約数の個数: 16

約数和(自身を含む): 2773180224

約数和(自身を除く): 752083769

約数列:

[1, 5, 7, 35, 2153, 10765, 15071, 26821, 75355, 134105, 187747, 938735, 57745613, 288728065, 404219291, 2021096455]

約数ペア:

[(1, 2021096455), (5, 404219291), (7, 288728065), (35, 57745613), (2153, 938735), (10765, 187747), (15071, 134105), (26821, 75355)]