21701030

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{166931}}^1$

素因数の和:166951

約数の個数: 16

約数和(自身を含む): 42066864

約数和(自身を除く): 20365834

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 166931, 333862, 834655, 1669310, 2170103, 4340206, 10850515, 21701030]

約数ペア:

[(1, 21701030), (2, 10850515), (5, 4340206), (10, 2170103), (13, 1669310), (26, 834655), (65, 333862), (130, 166931)]