21782032

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{1097}}^1$

素因数の和:1195

約数の個数: 40

約数和(自身を含む): 45338616

約数和(自身を除く): 23556584

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 73, 136, 146, 272, 292, 584, 1097, 1168, 1241, 2194, 2482, 4388, 4964, 8776, 9928, 17552, 18649, 19856, 37298, 74596, 80081, 149192, 160162, 298384, 320324, 640648, 1281296, 1361377, 2722754, 5445508, 10891016, 21782032]

約数ペア:

[(1, 21782032), (2, 10891016), (4, 5445508), (8, 2722754), (16, 1361377), (17, 1281296), (34, 640648), (68, 320324), (73, 298384), (136, 160162), (146, 149192), (272, 80081), (292, 74596), (584, 37298), (1097, 19856), (1168, 18649), (1241, 17552), (2194, 9928), (2482, 8776), (4388, 4964)]