21269570

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{7411}}^1$

素因数の和:7466

約数の個数: 32

約数和(自身を含む): 44827776

約数和(自身を除く): 23558206

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 70, 82, 205, 287, 410, 574, 1435, 2870, 7411, 14822, 37055, 51877, 74110, 103754, 259385, 303851, 518770, 607702, 1519255, 2126957, 3038510, 4253914, 10634785, 21269570]

約数ペア:

[(1, 21269570), (2, 10634785), (5, 4253914), (7, 3038510), (10, 2126957), (14, 1519255), (35, 607702), (41, 518770), (70, 303851), (82, 259385), (205, 103754), (287, 74110), (410, 51877), (574, 37055), (1435, 14822), (2870, 7411)]