21442256

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{5297}}^1$

素因数の和:5339

約数の個数: 40

約数和(自身を含む): 47300544

約数和(自身を除く): 25858288

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 44, 46, 88, 92, 176, 184, 253, 368, 506, 1012, 2024, 4048, 5297, 10594, 21188, 42376, 58267, 84752, 116534, 121831, 233068, 243662, 466136, 487324, 932272, 974648, 1340141, 1949296, 2680282, 5360564, 10721128, 21442256]

約数ペア:

[(1, 21442256), (2, 10721128), (4, 5360564), (8, 2680282), (11, 1949296), (16, 1340141), (22, 974648), (23, 932272), (44, 487324), (46, 466136), (88, 243662), (92, 233068), (176, 121831), (184, 116534), (253, 84752), (368, 58267), (506, 42376), (1012, 21188), (2024, 10594), (4048, 5297)]