21847545

素因数分解:

$3^2\times 5^1\times {\mathrm{293}}^1\times {\mathrm{1657}}^1$

素因数の和:1961

約数の個数: 24

約数和(自身を含む): 38021256

約数和(自身を除く): 16173711

約数列:

[1, 3, 5, 9, 15, 45, 293, 879, 1465, 1657, 2637, 4395, 4971, 8285, 13185, 14913, 24855, 74565, 485501, 1456503, 2427505, 4369509, 7282515, 21847545]

約数ペア:

[(1, 21847545), (3, 7282515), (5, 4369509), (9, 2427505), (15, 1456503), (45, 485501), (293, 74565), (879, 24855), (1465, 14913), (1657, 13185), (2637, 8285), (4395, 4971)]