21935786

素因数分解:

$2^1\times {\mathrm{31}}^2\times {\mathrm{101}}^1\times {\mathrm{113}}^1$

素因数の和:278

約数の個数: 24

約数和(自身を含む): 34639812

約数和(自身を除く): 12704026

約数列:

[1, 2, 31, 62, 101, 113, 202, 226, 961, 1922, 3131, 3503, 6262, 7006, 11413, 22826, 97061, 108593, 194122, 217186, 353803, 707606, 10967893, 21935786]

約数ペア:

[(1, 21935786), (2, 10967893), (31, 707606), (62, 353803), (101, 217186), (113, 194122), (202, 108593), (226, 97061), (961, 22826), (1922, 11413), (3131, 7006), (3503, 6262)]