21408216

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{38783}}^1$

素因数の和:38815

約数の個数: 32

約数和(自身を含む): 55848960

約数和(自身を除く): 34440744

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 46, 69, 92, 138, 184, 276, 552, 38783, 77566, 116349, 155132, 232698, 310264, 465396, 892009, 930792, 1784018, 2676027, 3568036, 5352054, 7136072, 10704108, 21408216]

約数ペア:

[(1, 21408216), (2, 10704108), (3, 7136072), (4, 5352054), (6, 3568036), (8, 2676027), (12, 1784018), (23, 930792), (24, 892009), (46, 465396), (69, 310264), (92, 232698), (138, 155132), (184, 116349), (276, 77566), (552, 38783)]