21023116

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{229}}^1\times {\mathrm{389}}^1$

素因数の和:681

約数の個数: 24

約数和(自身を含む): 37674000

約数和(自身を除く): 16650884

約数列:

[1, 2, 4, 59, 118, 229, 236, 389, 458, 778, 916, 1556, 13511, 22951, 27022, 45902, 54044, 89081, 91804, 178162, 356324, 5255779, 10511558, 21023116]

約数ペア:

[(1, 21023116), (2, 10511558), (4, 5255779), (59, 356324), (118, 178162), (229, 91804), (236, 89081), (389, 54044), (458, 45902), (778, 27022), (916, 22951), (1556, 13511)]