21563212

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{11953}}^1$

素因数の和:12009

約数の個数: 24

約数和(自身を含む): 42173712

約数和(自身を除く): 20610500

約数列:

[1, 2, 4, 11, 22, 41, 44, 82, 164, 451, 902, 1804, 11953, 23906, 47812, 131483, 262966, 490073, 525932, 980146, 1960292, 5390803, 10781606, 21563212]

約数ペア:

[(1, 21563212), (2, 10781606), (4, 5390803), (11, 1960292), (22, 980146), (41, 525932), (44, 490073), (82, 262966), (164, 131483), (451, 47812), (902, 23906), (1804, 11953)]