21864536

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{331}}^1\times {\mathrm{359}}^1$

素因数の和:719

約数の個数: 32

約数和(自身を含む): 43027200

約数和(自身を除く): 21162664

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 331, 359, 662, 718, 1324, 1436, 2648, 2872, 7613, 8257, 15226, 16514, 30452, 33028, 60904, 66056, 118829, 237658, 475316, 950632, 2733067, 5466134, 10932268, 21864536]

約数ペア:

[(1, 21864536), (2, 10932268), (4, 5466134), (8, 2733067), (23, 950632), (46, 475316), (92, 237658), (184, 118829), (331, 66056), (359, 60904), (662, 33028), (718, 30452), (1324, 16514), (1436, 15226), (2648, 8257), (2872, 7613)]