21952905

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{1093}}^1$

素因数の和:1217

約数の個数: 32

約数和(自身を含む): 38228736

約数和(自身を除く): 16275831

約数列:

[1, 3, 5, 13, 15, 39, 65, 103, 195, 309, 515, 1093, 1339, 1545, 3279, 4017, 5465, 6695, 14209, 16395, 20085, 42627, 71045, 112579, 213135, 337737, 562895, 1463527, 1688685, 4390581, 7317635, 21952905]

約数ペア:

[(1, 21952905), (3, 7317635), (5, 4390581), (13, 1688685), (15, 1463527), (39, 562895), (65, 337737), (103, 213135), (195, 112579), (309, 71045), (515, 42627), (1093, 20085), (1339, 16395), (1545, 14209), (3279, 6695), (4017, 5465)]