221808468

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{2640577}}^1$

素因数の和:2640591

約数の個数: 24

約数和(自身を含む): 591489472

約数和(自身を除く): 369681004

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 2640577, 5281154, 7921731, 10562308, 15843462, 18484039, 31686924, 36968078, 55452117, 73936156, 110904234, 221808468]

約数ペア:

[(1, 221808468), (2, 110904234), (3, 73936156), (4, 55452117), (6, 36968078), (7, 31686924), (12, 18484039), (14, 15843462), (21, 10562308), (28, 7921731), (42, 5281154), (84, 2640577)]