21989038

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{229}}^1\times {\mathrm{1171}}^1$

素因数の和:1443

約数の個数: 16

約数和(自身を含む): 33964560

約数和(自身を除く): 11975522

約数列:

[1, 2, 41, 82, 229, 458, 1171, 2342, 9389, 18778, 48011, 96022, 268159, 536318, 10994519, 21989038]

約数ペア:

[(1, 21989038), (2, 10994519), (41, 536318), (82, 268159), (229, 96022), (458, 48011), (1171, 18778), (2342, 9389)]