21153816

素因数分解:

$2^3\times 3^2\times {\mathrm{293803}}^1$

素因数の和:293815

約数の個数: 24

約数和(自身を含む): 57291780

約数和(自身を除く): 36137964

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 293803, 587606, 881409, 1175212, 1762818, 2350424, 2644227, 3525636, 5288454, 7051272, 10576908, 21153816]

約数ペア:

[(1, 21153816), (2, 10576908), (3, 7051272), (4, 5288454), (6, 3525636), (8, 2644227), (9, 2350424), (12, 1762818), (18, 1175212), (24, 881409), (36, 587606), (72, 293803)]