21133437

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{5261}}^1$

素因数の和:5380

約数の個数: 16

約数和(自身を含む): 30645888

約数和(自身を除く): 9512451

約数列:

[1, 3, 13, 39, 103, 309, 1339, 4017, 5261, 15783, 68393, 205179, 541883, 1625649, 7044479, 21133437]

約数ペア:

[(1, 21133437), (3, 7044479), (13, 1625649), (39, 541883), (103, 205179), (309, 68393), (1339, 15783), (4017, 5261)]