21896296

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{241}}^1\times {\mathrm{277}}^1$

素因数の和:565

約数の個数: 32

約数和(自身を含む): 42383880

約数和(自身を除く): 20487584

約数列:

[1, 2, 4, 8, 41, 82, 164, 241, 277, 328, 482, 554, 964, 1108, 1928, 2216, 9881, 11357, 19762, 22714, 39524, 45428, 66757, 79048, 90856, 133514, 267028, 534056, 2737037, 5474074, 10948148, 21896296]

約数ペア:

[(1, 21896296), (2, 10948148), (4, 5474074), (8, 2737037), (41, 534056), (82, 267028), (164, 133514), (241, 90856), (277, 79048), (328, 66757), (482, 45428), (554, 39524), (964, 22714), (1108, 19762), (1928, 11357), (2216, 9881)]