21693584

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{123259}}^1$

素因数の和:123278

約数の個数: 20

約数和(自身を含む): 45852720

約数和(自身を除く): 24159136

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 123259, 246518, 493036, 986072, 1355849, 1972144, 2711698, 5423396, 10846792, 21693584]

約数ペア:

[(1, 21693584), (2, 10846792), (4, 5423396), (8, 2711698), (11, 1972144), (16, 1355849), (22, 986072), (44, 493036), (88, 246518), (176, 123259)]