21700736

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{8923}}^1$

素因数の和:8956

約数の個数: 32

約数和(自身を含む): 45512400

約数和(自身を除く): 23811664

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 304, 608, 1216, 2432, 8923, 17846, 35692, 71384, 142768, 169537, 285536, 339074, 571072, 678148, 1142144, 1356296, 2712592, 5425184, 10850368, 21700736]

約数ペア:

[(1, 21700736), (2, 10850368), (4, 5425184), (8, 2712592), (16, 1356296), (19, 1142144), (32, 678148), (38, 571072), (64, 339074), (76, 285536), (128, 169537), (152, 142768), (304, 71384), (608, 35692), (1216, 17846), (2432, 8923)]