21617332

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{521}}^1$

素因数の和:600

約数の個数: 48

約数和(自身を含む): 44198784

約数和(自身を除く): 22581452

約数列:

[1, 2, 4, 11, 22, 23, 41, 44, 46, 82, 92, 164, 253, 451, 506, 521, 902, 943, 1012, 1042, 1804, 1886, 2084, 3772, 5731, 10373, 11462, 11983, 20746, 21361, 22924, 23966, 41492, 42722, 47932, 85444, 131813, 234971, 263626, 469942, 491303, 527252, 939884, 982606, 1965212, 5404333, 10808666, 21617332]

約数ペア:

[(1, 21617332), (2, 10808666), (4, 5404333), (11, 1965212), (22, 982606), (23, 939884), (41, 527252), (44, 491303), (46, 469942), (82, 263626), (92, 234971), (164, 131813), (253, 85444), (451, 47932), (506, 42722), (521, 41492), (902, 23966), (943, 22924), (1012, 21361), (1042, 20746), (1804, 11983), (1886, 11462), (2084, 10373), (3772, 5731)]