21119602

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79397}}^1$

素因数の和:79425

約数の個数: 16

約数和(自身を含む): 38111040

約数和(自身を除く): 16991438

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 79397, 158794, 555779, 1111558, 1508543, 3017086, 10559801, 21119602]

約数ペア:

[(1, 21119602), (2, 10559801), (7, 3017086), (14, 1508543), (19, 1111558), (38, 555779), (133, 158794), (266, 79397)]