21690998

素因数分解:

$2^1\times 7^1\times {\mathrm{619}}^1\times {\mathrm{2503}}^1$

素因数の和:3131

約数の個数: 16

約数和(自身を含む): 37259520

約数和(自身を除く): 15568522

約数列:

[1, 2, 7, 14, 619, 1238, 2503, 4333, 5006, 8666, 17521, 35042, 1549357, 3098714, 10845499, 21690998]

約数ペア:

[(1, 21690998), (2, 10845499), (7, 3098714), (14, 1549357), (619, 35042), (1238, 17521), (2503, 8666), (4333, 5006)]