21101848

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{173}}^1\times {\mathrm{193}}^1$

素因数の和:451

約数の個数: 32

約数和(自身を含む): 40507200

約数和(自身を除く): 19405352

約数列:

[1, 2, 4, 8, 79, 158, 173, 193, 316, 346, 386, 632, 692, 772, 1384, 1544, 13667, 15247, 27334, 30494, 33389, 54668, 60988, 66778, 109336, 121976, 133556, 267112, 2637731, 5275462, 10550924, 21101848]

約数ペア:

[(1, 21101848), (2, 10550924), (4, 5275462), (8, 2637731), (79, 267112), (158, 133556), (173, 121976), (193, 109336), (316, 66778), (346, 60988), (386, 54668), (632, 33389), (692, 30494), (772, 27334), (1384, 15247), (1544, 13667)]