21645435

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{977}}^1$

素因数の和:1203

約数の個数: 32

約数和(自身を含む): 39808512

約数和(自身を除く): 18163077

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 211, 633, 977, 1055, 1477, 2931, 3165, 4431, 4885, 6839, 7385, 14655, 20517, 22155, 34195, 102585, 206147, 618441, 1030735, 1443029, 3092205, 4329087, 7215145, 21645435]

約数ペア:

[(1, 21645435), (3, 7215145), (5, 4329087), (7, 3092205), (15, 1443029), (21, 1030735), (35, 618441), (105, 206147), (211, 102585), (633, 34195), (977, 22155), (1055, 20517), (1477, 14655), (2931, 7385), (3165, 6839), (4431, 4885)]