21580186

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{2957}}^1$

素因数の和:3089

約数の個数: 16

約数和(自身を含む): 33543720

約数和(自身を除く): 11963534

約数列:

[1, 2, 41, 82, 89, 178, 2957, 3649, 5914, 7298, 121237, 242474, 263173, 526346, 10790093, 21580186]

約数ペア:

[(1, 21580186), (2, 10790093), (41, 526346), (82, 263173), (89, 242474), (178, 121237), (2957, 7298), (3649, 5914)]