21167123965

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{349}}^1\times {\mathrm{2819}}^1$

素因数の和:3517

約数の個数: 32

約数和(自身を含む): 27525456000

約数和(自身を除く): 6358332035

約数列:

[1, 5, 13, 65, 331, 349, 1655, 1745, 2819, 4303, 4537, 14095, 21515, 22685, 36647, 115519, 183235, 577595, 933089, 983831, 1501747, 4665445, 4919155, 7508735, 12130157, 12789803, 60650785, 63949015, 325648061, 1628240305, 4233424793, 21167123965]

約数ペア:

[(1, 21167123965), (5, 4233424793), (13, 1628240305), (65, 325648061), (331, 63949015), (349, 60650785), (1655, 12789803), (1745, 12130157), (2819, 7508735), (4303, 4919155), (4537, 4665445), (14095, 1501747), (21515, 983831), (22685, 933089), (36647, 577595), (115519, 183235)]