21491292

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{77867}}^1$

素因数の和:77897

約数の個数: 24

約数和(自身を含む): 52327296

約数和(自身を除く): 30836004

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 276, 77867, 155734, 233601, 311468, 467202, 934404, 1790941, 3581882, 5372823, 7163764, 10745646, 21491292]

約数ペア:

[(1, 21491292), (2, 10745646), (3, 7163764), (4, 5372823), (6, 3581882), (12, 1790941), (23, 934404), (46, 467202), (69, 311468), (92, 233601), (138, 155734), (276, 77867)]