21742718

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{5749}}^1$

素因数の和:5843

約数の個数: 16

約数和(自身を含む): 34224000

約数和(自身を除く): 12481282

約数列:

[1, 2, 31, 61, 62, 122, 1891, 3782, 5749, 11498, 178219, 350689, 356438, 701378, 10871359, 21742718]

約数ペア:

[(1, 21742718), (2, 10871359), (31, 701378), (61, 356438), (62, 350689), (122, 178219), (1891, 11498), (3782, 5749)]