21086756678

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{4116899}}^1$

素因数の和:4117111

約数の個数: 16

約数和(自身を含む): 34236140400

約数和(自身を除く): 13149383722

約数列:

[1, 2, 13, 26, 197, 394, 2561, 5122, 4116899, 8233798, 53519687, 107039374, 811029103, 1622058206, 10543378339, 21086756678]

約数ペア:

[(1, 21086756678), (2, 10543378339), (13, 1622058206), (26, 811029103), (197, 107039374), (394, 53519687), (2561, 8233798), (5122, 4116899)]