21372544

素因数分解:

$2^7\times {\mathrm{166973}}^1$

素因数の和:166987

約数の個数: 16

約数和(自身を含む): 42578370

約数和(自身を除く): 21205826

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 166973, 333946, 667892, 1335784, 2671568, 5343136, 10686272, 21372544]

約数ペア:

[(1, 21372544), (2, 10686272), (4, 5343136), (8, 2671568), (16, 1335784), (32, 667892), (64, 333946), (128, 166973)]