21433968

素因数分解:

$2^4\times 3^2\times {\mathrm{73}}^1\times {\mathrm{2039}}^1$

素因数の和:2126

約数の個数: 60

約数和(自身を含む): 60836880

約数和(自身を除く): 39402912

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, 2039, 2628, 3504, 4078, 5256, 6117, 8156, 10512, 12234, 16312, 18351, 24468, 32624, 36702, 48936, 73404, 97872, 146808, 148847, 293616, 297694, 446541, 595388, 893082, 1190776, 1339623, 1786164, 2381552, 2679246, 3572328, 5358492, 7144656, 10716984, 21433968]

約数ペア:

[(1, 21433968), (2, 10716984), (3, 7144656), (4, 5358492), (6, 3572328), (8, 2679246), (9, 2381552), (12, 1786164), (16, 1339623), (18, 1190776), (24, 893082), (36, 595388), (48, 446541), (72, 297694), (73, 293616), (144, 148847), (146, 146808), (219, 97872), (292, 73404), (438, 48936), (584, 36702), (657, 32624), (876, 24468), (1168, 18351), (1314, 16312), (1752, 12234), (2039, 10512), (2628, 8156), (3504, 6117), (4078, 5256)]