21191538

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{113933}}^1$

素因数の和:113969

約数の個数: 16

約数和(自身を含む): 43750656

約数和(自身を除く): 22559118

約数列:

[1, 2, 3, 6, 31, 62, 93, 186, 113933, 227866, 341799, 683598, 3531923, 7063846, 10595769, 21191538]

約数ペア:

[(1, 21191538), (2, 10595769), (3, 7063846), (6, 3531923), (31, 683598), (62, 341799), (93, 227866), (186, 113933)]