21680252

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{373}}^1\times {\mathrm{1321}}^1$

素因数の和:1709

約数の個数: 24

約数和(自身を含む): 41531952

約数和(自身を除く): 19851700

約数列:

[1, 2, 4, 11, 22, 44, 373, 746, 1321, 1492, 2642, 4103, 5284, 8206, 14531, 16412, 29062, 58124, 492733, 985466, 1970932, 5420063, 10840126, 21680252]

約数ペア:

[(1, 21680252), (2, 10840126), (4, 5420063), (11, 1970932), (22, 985466), (44, 492733), (373, 58124), (746, 29062), (1321, 16412), (1492, 14531), (2642, 8206), (4103, 5284)]