21309832

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{64969}}^1$

素因数の和:65016

約数の個数: 16

約数和(自身を含む): 40931100

約数和(自身を除く): 19621268

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 64969, 129938, 259876, 519752, 2663729, 5327458, 10654916, 21309832]

約数ペア:

[(1, 21309832), (2, 10654916), (4, 5327458), (8, 2663729), (41, 519752), (82, 259876), (164, 129938), (328, 64969)]