21374768

素因数分解:

$2^4\times {\mathrm{1087}}^1\times {\mathrm{1229}}^1$

素因数の和:2324

約数の個数: 20

約数和(自身を含む): 41485440

約数和(自身を除く): 20110672

約数列:

[1, 2, 4, 8, 16, 1087, 1229, 2174, 2458, 4348, 4916, 8696, 9832, 17392, 19664, 1335923, 2671846, 5343692, 10687384, 21374768]

約数ペア:

[(1, 21374768), (2, 10687384), (4, 5343692), (8, 2671846), (16, 1335923), (1087, 19664), (1229, 17392), (2174, 9832), (2458, 8696), (4348, 4916)]