21262406

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{50867}}^1$

素因数の和:50899

約数の個数: 16

約数和(自身を含む): 36624960

約数和(自身を除く): 15362554

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 50867, 101734, 559537, 966473, 1119074, 1932946, 10631203, 21262406]

約数ペア:

[(1, 21262406), (2, 10631203), (11, 1932946), (19, 1119074), (22, 966473), (38, 559537), (209, 101734), (418, 50867)]