21118118

素因数分解:

$2^1\times 7^2\times {\mathrm{113}}^1\times {\mathrm{1907}}^1$

素因数の和:2036

約数の個数: 24

約数和(自身を含む): 37194552

約数和(自身を除く): 16076434

約数列:

[1, 2, 7, 14, 49, 98, 113, 226, 791, 1582, 1907, 3814, 5537, 11074, 13349, 26698, 93443, 186886, 215491, 430982, 1508437, 3016874, 10559059, 21118118]

約数ペア:

[(1, 21118118), (2, 10559059), (7, 3016874), (14, 1508437), (49, 430982), (98, 215491), (113, 186886), (226, 93443), (791, 26698), (1582, 13349), (1907, 11074), (3814, 5537)]