21436618

素因数分解:

$2^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{5087}}^1$

素因数の和:5146

約数の個数: 24

約数和(自身を含む): 38282112

約数和(自身を除く): 16845494

約数列:

[1, 2, 7, 14, 43, 49, 86, 98, 301, 602, 2107, 4214, 5087, 10174, 35609, 71218, 218741, 249263, 437482, 498526, 1531187, 3062374, 10718309, 21436618]

約数ペア:

[(1, 21436618), (2, 10718309), (7, 3062374), (14, 1531187), (43, 498526), (49, 437482), (86, 249263), (98, 218741), (301, 71218), (602, 35609), (2107, 10174), (4214, 5087)]