21832395

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{1087}}^1$

素因数の和:1211

約数の個数: 32

約数和(自身を含む): 38019072

約数和(自身を除く): 16186677

約数列:

[1, 3, 5, 13, 15, 39, 65, 103, 195, 309, 515, 1087, 1339, 1545, 3261, 4017, 5435, 6695, 14131, 16305, 20085, 42393, 70655, 111961, 211965, 335883, 559805, 1455493, 1679415, 4366479, 7277465, 21832395]

約数ペア:

[(1, 21832395), (3, 7277465), (5, 4366479), (13, 1679415), (15, 1455493), (39, 559805), (65, 335883), (103, 211965), (195, 111961), (309, 70655), (515, 42393), (1087, 20085), (1339, 16305), (1545, 14131), (3261, 6695), (4017, 5435)]