21869703

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{479}}^1$

素因数の和:596

約数の個数: 32

約数和(自身を含む): 34560000

約数和(自身を除く): 12690297

約数列:

[1, 3, 9, 19, 27, 57, 89, 171, 267, 479, 513, 801, 1437, 1691, 2403, 4311, 5073, 9101, 12933, 15219, 27303, 42631, 45657, 81909, 127893, 245727, 383679, 809989, 1151037, 2429967, 7289901, 21869703]

約数ペア:

[(1, 21869703), (3, 7289901), (9, 2429967), (19, 1151037), (27, 809989), (57, 383679), (89, 245727), (171, 127893), (267, 81909), (479, 45657), (513, 42631), (801, 27303), (1437, 15219), (1691, 12933), (2403, 9101), (4311, 5073)]