21264914

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{50873}}^1$

素因数の和:50905

約数の個数: 16

約数和(自身を含む): 36629280

約数和(自身を除く): 15364366

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 50873, 101746, 559603, 966587, 1119206, 1933174, 10632457, 21264914]

約数ペア:

[(1, 21264914), (2, 10632457), (11, 1933174), (19, 1119206), (22, 966587), (38, 559603), (209, 101746), (418, 50873)]