21227504

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{32359}}^1$

素因数の和:32408

約数の個数: 20

約数和(自身を含む): 42132720

約数和(自身を除く): 20905216

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 32359, 64718, 129436, 258872, 517744, 1326719, 2653438, 5306876, 10613752, 21227504]

約数ペア:

[(1, 21227504), (2, 10613752), (4, 5306876), (8, 2653438), (16, 1326719), (41, 517744), (82, 258872), (164, 129436), (328, 64718), (656, 32359)]