21212508

素因数分解:

$2^2\times 3^1\times {\mathrm{53}}^1\times {\mathrm{33353}}^1$

素因数の和:33413

約数の個数: 24

約数和(自身を含む): 50431248

約数和(自身を除く): 29218740

約数列:

[1, 2, 3, 4, 6, 12, 53, 106, 159, 212, 318, 636, 33353, 66706, 100059, 133412, 200118, 400236, 1767709, 3535418, 5303127, 7070836, 10606254, 21212508]

約数ペア:

[(1, 21212508), (2, 10606254), (3, 7070836), (4, 5303127), (6, 3535418), (12, 1767709), (53, 400236), (106, 200118), (159, 133412), (212, 100059), (318, 66706), (636, 33353)]