21818256

素因数分解:

$2^4\times 3^1\times {\mathrm{454547}}^1$

素因数の和:454558

約数の個数: 20

約数和(自身を含む): 56363952

約数和(自身を除く): 34545696

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 454547, 909094, 1363641, 1818188, 2727282, 3636376, 5454564, 7272752, 10909128, 21818256]

約数ペア:

[(1, 21818256), (2, 10909128), (3, 7272752), (4, 5454564), (6, 3636376), (8, 2727282), (12, 1818188), (16, 1363641), (24, 909094), (48, 454547)]