21565262

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{3329}}^1$

素因数の和:3451

約数の個数: 16

約数和(自身を含む): 33566400

約数和(自身を除く): 12001138

約数列:

[1, 2, 41, 79, 82, 158, 3239, 3329, 6478, 6658, 136489, 262991, 272978, 525982, 10782631, 21565262]

約数ペア:

[(1, 21565262), (2, 10782631), (41, 525982), (79, 272978), (82, 262991), (158, 136489), (3239, 6658), (3329, 6478)]