21042884

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{1801}}^1$

素因数の和:1955

約数の個数: 24

約数和(自身を含む): 38750208

約数和(自身を除く): 17707324

約数列:

[1, 2, 4, 23, 46, 92, 127, 254, 508, 1801, 2921, 3602, 5842, 7204, 11684, 41423, 82846, 165692, 228727, 457454, 914908, 5260721, 10521442, 21042884]

約数ペア:

[(1, 21042884), (2, 10521442), (4, 5260721), (23, 914908), (46, 457454), (92, 228727), (127, 165692), (254, 82846), (508, 41423), (1801, 11684), (2921, 7204), (3602, 5842)]