21663144

素因数分解:

$2^3\times 3^2\times {\mathrm{300877}}^1$

素因数の和:300889

約数の個数: 24

約数和(自身を含む): 58671210

約数和(自身を除く): 37008066

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 300877, 601754, 902631, 1203508, 1805262, 2407016, 2707893, 3610524, 5415786, 7221048, 10831572, 21663144]

約数ペア:

[(1, 21663144), (2, 10831572), (3, 7221048), (4, 5415786), (6, 3610524), (8, 2707893), (9, 2407016), (12, 1805262), (18, 1203508), (24, 902631), (36, 601754), (72, 300877)]