21740696

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{863}}^1$

素因数の和:983

約数の個数: 32

約数和(自身を含む): 42301440

約数和(自身を除く): 20560744

約数列:

[1, 2, 4, 8, 47, 67, 94, 134, 188, 268, 376, 536, 863, 1726, 3149, 3452, 6298, 6904, 12596, 25192, 40561, 57821, 81122, 115642, 162244, 231284, 324488, 462568, 2717587, 5435174, 10870348, 21740696]

約数ペア:

[(1, 21740696), (2, 10870348), (4, 5435174), (8, 2717587), (47, 462568), (67, 324488), (94, 231284), (134, 162244), (188, 115642), (268, 81122), (376, 57821), (536, 40561), (863, 25192), (1726, 12596), (3149, 6904), (3452, 6298)]