21158464

素因数分解:

$2^6\times {\mathrm{269}}^1\times {\mathrm{1229}}^1$

素因数の和:1510

約数の個数: 28

約数和(自身を含む): 42176700

約数和(自身を除く): 21018236

約数列:

[1, 2, 4, 8, 16, 32, 64, 269, 538, 1076, 1229, 2152, 2458, 4304, 4916, 8608, 9832, 17216, 19664, 39328, 78656, 330601, 661202, 1322404, 2644808, 5289616, 10579232, 21158464]

約数ペア:

[(1, 21158464), (2, 10579232), (4, 5289616), (8, 2644808), (16, 1322404), (32, 661202), (64, 330601), (269, 78656), (538, 39328), (1076, 19664), (1229, 17216), (2152, 9832), (2458, 8608), (4304, 4916)]