21009934

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{50263}}^1$

素因数の和:50295

約数の個数: 16

約数和(自身を含む): 36190080

約数和(自身を除く): 15180146

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 50263, 100526, 552893, 954997, 1105786, 1909994, 10504967, 21009934]

約数ペア:

[(1, 21009934), (2, 10504967), (11, 1909994), (19, 1105786), (22, 954997), (38, 552893), (209, 100526), (418, 50263)]