21808272

素因数分解:

$2^4\times 3^1\times {\mathrm{239}}^1\times {\mathrm{1901}}^1$

素因数の和:2151

約数の個数: 40

約数和(自身を含む): 56603520

約数和(自身を除く): 34795248

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 239, 478, 717, 956, 1434, 1901, 1912, 2868, 3802, 3824, 5703, 5736, 7604, 11406, 11472, 15208, 22812, 30416, 45624, 91248, 454339, 908678, 1363017, 1817356, 2726034, 3634712, 5452068, 7269424, 10904136, 21808272]

約数ペア:

[(1, 21808272), (2, 10904136), (3, 7269424), (4, 5452068), (6, 3634712), (8, 2726034), (12, 1817356), (16, 1363017), (24, 908678), (48, 454339), (239, 91248), (478, 45624), (717, 30416), (956, 22812), (1434, 15208), (1901, 11472), (1912, 11406), (2868, 7604), (3802, 5736), (3824, 5703)]