21997279

素因数分解:

${\mathrm{41}}^1\times {\mathrm{53}}^2\times {\mathrm{191}}^1$

素因数の和:338

約数の個数: 12

約数和(自身を含む): 23087232

約数和(自身を除く): 1089953

約数列:

[1, 41, 53, 191, 2173, 2809, 7831, 10123, 115169, 415043, 536519, 21997279]

約数ペア:

[(1, 21997279), (41, 536519), (53, 415043), (191, 115169), (2173, 10123), (2809, 7831)]