21313408

素因数分解:

$2^7\times {\mathrm{269}}^1\times {\mathrm{619}}^1$

素因数の和:902

約数の個数: 32

約数和(自身を含む): 42687000

約数和(自身を除く): 21373592

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 269, 538, 619, 1076, 1238, 2152, 2476, 4304, 4952, 8608, 9904, 17216, 19808, 34432, 39616, 79232, 166511, 333022, 666044, 1332088, 2664176, 5328352, 10656704, 21313408]

約数ペア:

[(1, 21313408), (2, 10656704), (4, 5328352), (8, 2664176), (16, 1332088), (32, 666044), (64, 333022), (128, 166511), (269, 79232), (538, 39616), (619, 34432), (1076, 19808), (1238, 17216), (2152, 9904), (2476, 8608), (4304, 4952)]