21456078

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{13807}}^1$

素因数の和:13856

約数の個数: 32

約数和(自身を含む): 50371584

約数和(自身を除く): 28915506

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 74, 111, 222, 259, 518, 777, 1554, 13807, 27614, 41421, 82842, 96649, 193298, 289947, 510859, 579894, 1021718, 1532577, 3065154, 3576013, 7152026, 10728039, 21456078]

約数ペア:

[(1, 21456078), (2, 10728039), (3, 7152026), (6, 3576013), (7, 3065154), (14, 1532577), (21, 1021718), (37, 579894), (42, 510859), (74, 289947), (111, 193298), (222, 96649), (259, 82842), (518, 41421), (777, 27614), (1554, 13807)]