21264696

素因数分解:

$2^3\times 3^2\times {\mathrm{23}}^1\times {\mathrm{12841}}^1$

素因数の和:12876

約数の個数: 48

約数和(自身を含む): 60100560

約数和(自身を除く): 38835864

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 36, 46, 69, 72, 92, 138, 184, 207, 276, 414, 552, 828, 1656, 12841, 25682, 38523, 51364, 77046, 102728, 115569, 154092, 231138, 295343, 308184, 462276, 590686, 886029, 924552, 1181372, 1772058, 2362744, 2658087, 3544116, 5316174, 7088232, 10632348, 21264696]

約数ペア:

[(1, 21264696), (2, 10632348), (3, 7088232), (4, 5316174), (6, 3544116), (8, 2658087), (9, 2362744), (12, 1772058), (18, 1181372), (23, 924552), (24, 886029), (36, 590686), (46, 462276), (69, 308184), (72, 295343), (92, 231138), (138, 154092), (184, 115569), (207, 102728), (276, 77046), (414, 51364), (552, 38523), (828, 25682), (1656, 12841)]