21271161610

素因数分解:

$2^1\times 5^1\times {\mathrm{193603}}^1\times {\mathrm{10987}}^1$

素因数の和:204597

約数の個数: 16

約数和(自身を含む): 38291773536

約数和(自身を除く): 17020611926

約数列:

[1, 2, 5, 10, 10987, 21974, 54935, 109870, 193603, 387206, 968015, 1936030, 2127116161, 4254232322, 10635580805, 21271161610]

約数ペア:

[(1, 21271161610), (2, 10635580805), (5, 4254232322), (10, 2127116161), (10987, 1936030), (21974, 968015), (54935, 387206), (109870, 193603)]