21090661216

素因数分解:

$2^5\times {\mathrm{83}}^1\times {\mathrm{7940761}}^1$

素因数の和:7940854

約数の個数: 24

約数和(自身を含む): 42022512504

約数和(自身を除く): 20931851288

約数列:

[1, 2, 4, 8, 16, 32, 83, 166, 332, 664, 1328, 2656, 7940761, 15881522, 31763044, 63526088, 127052176, 254104352, 659083163, 1318166326, 2636332652, 5272665304, 10545330608, 21090661216]

約数ペア:

[(1, 21090661216), (2, 10545330608), (4, 5272665304), (8, 2636332652), (16, 1318166326), (32, 659083163), (83, 254104352), (166, 127052176), (332, 63526088), (664, 31763044), (1328, 15881522), (2656, 7940761)]