21421862

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{1231}}^1$

素因数の和:1364

約数の個数: 32

約数和(自身を含む): 40449024

約数和(自身を除く): 19027162

約数列:

[1, 2, 7, 11, 14, 22, 77, 113, 154, 226, 791, 1231, 1243, 1582, 2462, 2486, 8617, 8701, 13541, 17234, 17402, 27082, 94787, 139103, 189574, 278206, 973721, 1530133, 1947442, 3060266, 10710931, 21421862]

約数ペア:

[(1, 21421862), (2, 10710931), (7, 3060266), (11, 1947442), (14, 1530133), (22, 973721), (77, 278206), (113, 189574), (154, 139103), (226, 94787), (791, 27082), (1231, 17402), (1243, 17234), (1582, 13541), (2462, 8701), (2486, 8617)]