21946485

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{5783}}^1$

素因数の和:5825

約数の個数: 32

約数和(自身を含む): 39979008

約数和(自身を除く): 18032523

約数列:

[1, 3, 5, 11, 15, 23, 33, 55, 69, 115, 165, 253, 345, 759, 1265, 3795, 5783, 17349, 28915, 63613, 86745, 133009, 190839, 318065, 399027, 665045, 954195, 1463099, 1995135, 4389297, 7315495, 21946485]

約数ペア:

[(1, 21946485), (3, 7315495), (5, 4389297), (11, 1995135), (15, 1463099), (23, 954195), (33, 665045), (55, 399027), (69, 318065), (115, 190839), (165, 133009), (253, 86745), (345, 63613), (759, 28915), (1265, 17349), (3795, 5783)]