21274912

素因数分解:

$2^5\times {\mathrm{67}}^1\times {\mathrm{9923}}^1$

素因数の和:10000

約数の個数: 24

約数和(自身を含む): 42514416

約数和(自身を除く): 21239504

約数列:

[1, 2, 4, 8, 16, 32, 67, 134, 268, 536, 1072, 2144, 9923, 19846, 39692, 79384, 158768, 317536, 664841, 1329682, 2659364, 5318728, 10637456, 21274912]

約数ペア:

[(1, 21274912), (2, 10637456), (4, 5318728), (8, 2659364), (16, 1329682), (32, 664841), (67, 317536), (134, 158768), (268, 79384), (536, 39692), (1072, 19846), (2144, 9923)]