21626385

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{2473}}^1$

素因数の和:2545

約数の個数: 32

約数和(自身を含む): 38475648

約数和(自身を除く): 16849263

約数列:

[1, 3, 5, 11, 15, 33, 53, 55, 159, 165, 265, 583, 795, 1749, 2473, 2915, 7419, 8745, 12365, 27203, 37095, 81609, 131069, 136015, 393207, 408045, 655345, 1441759, 1966035, 4325277, 7208795, 21626385]

約数ペア:

[(1, 21626385), (3, 7208795), (5, 4325277), (11, 1966035), (15, 1441759), (33, 655345), (53, 408045), (55, 393207), (159, 136015), (165, 131069), (265, 81609), (583, 37095), (795, 27203), (1749, 12365), (2473, 8745), (2915, 7419)]