21307824

素因数分解:

$2^4\times 3^2\times {\mathrm{73}}^1\times {\mathrm{2027}}^1$

素因数の和:2114

約数の個数: 60

約数和(自身を含む): 60479016

約数和(自身を除く): 39171192

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 73, 144, 146, 219, 292, 438, 584, 657, 876, 1168, 1314, 1752, 2027, 2628, 3504, 4054, 5256, 6081, 8108, 10512, 12162, 16216, 18243, 24324, 32432, 36486, 48648, 72972, 97296, 145944, 147971, 291888, 295942, 443913, 591884, 887826, 1183768, 1331739, 1775652, 2367536, 2663478, 3551304, 5326956, 7102608, 10653912, 21307824]

約数ペア:

[(1, 21307824), (2, 10653912), (3, 7102608), (4, 5326956), (6, 3551304), (8, 2663478), (9, 2367536), (12, 1775652), (16, 1331739), (18, 1183768), (24, 887826), (36, 591884), (48, 443913), (72, 295942), (73, 291888), (144, 147971), (146, 145944), (219, 97296), (292, 72972), (438, 48648), (584, 36486), (657, 32432), (876, 24324), (1168, 18243), (1314, 16216), (1752, 12162), (2027, 10512), (2628, 8108), (3504, 6081), (4054, 5256)]