21820610

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{7603}}^1$

素因数の和:7658

約数の個数: 32

約数和(自身を含む): 45988992

約数和(自身を除く): 24168382

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 70, 82, 205, 287, 410, 574, 1435, 2870, 7603, 15206, 38015, 53221, 76030, 106442, 266105, 311723, 532210, 623446, 1558615, 2182061, 3117230, 4364122, 10910305, 21820610]

約数ペア:

[(1, 21820610), (2, 10910305), (5, 4364122), (7, 3117230), (10, 2182061), (14, 1558615), (35, 623446), (41, 532210), (70, 311723), (82, 266105), (205, 106442), (287, 76030), (410, 53221), (574, 38015), (1435, 15206), (2870, 7603)]