21710104

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{1049}}^1$

素因数の和:1267

約数の個数: 32

約数和(自身を含む): 44100000

約数和(自身を除く): 22389896

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 199, 398, 796, 1049, 1592, 2098, 2587, 4196, 5174, 8392, 10348, 13637, 20696, 27274, 54548, 109096, 208751, 417502, 835004, 1670008, 2713763, 5427526, 10855052, 21710104]

約数ペア:

[(1, 21710104), (2, 10855052), (4, 5427526), (8, 2713763), (13, 1670008), (26, 835004), (52, 417502), (104, 208751), (199, 109096), (398, 54548), (796, 27274), (1049, 20696), (1592, 13637), (2098, 10348), (2587, 8392), (4196, 5174)]