21607369

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{953}}^1$

素因数の和:1080

約数の個数: 16

約数和(自身を含む): 25643520

約数和(自身を除く): 4036151

約数列:

[1, 7, 41, 79, 287, 553, 953, 3239, 6671, 22673, 39073, 75287, 273511, 527009, 3086767, 21607369]

約数ペア:

[(1, 21607369), (7, 3086767), (41, 527009), (79, 273511), (287, 75287), (553, 39073), (953, 22673), (3239, 6671)]