21010402

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2053}}^1$

素因数の和:2122

約数の個数: 32

約数和(自身を含む): 39042432

約数和(自身を除く): 18032030

約数列:

[1, 2, 7, 14, 17, 34, 43, 86, 119, 238, 301, 602, 731, 1462, 2053, 4106, 5117, 10234, 14371, 28742, 34901, 69802, 88279, 176558, 244307, 488614, 617953, 1235906, 1500743, 3001486, 10505201, 21010402]

約数ペア:

[(1, 21010402), (2, 10505201), (7, 3001486), (14, 1500743), (17, 1235906), (34, 617953), (43, 488614), (86, 244307), (119, 176558), (238, 88279), (301, 69802), (602, 34901), (731, 28742), (1462, 14371), (2053, 10234), (4106, 5117)]