21001786911

素因数分解:

$3^2\times 7^1\times {\mathrm{10093}}^1\times {\mathrm{33029}}^1$

素因数の和:43135

約数の個数: 24

約数和(自身を含む): 34674101280

約数和(自身を除く): 13672314369

約数列:

[1, 3, 7, 9, 21, 63, 10093, 30279, 33029, 70651, 90837, 99087, 211953, 231203, 297261, 635859, 693609, 2080827, 333361697, 1000085091, 2333531879, 3000255273, 7000595637, 21001786911]

約数ペア:

[(1, 21001786911), (3, 7000595637), (7, 3000255273), (9, 2333531879), (21, 1000085091), (63, 333361697), (10093, 2080827), (30279, 693609), (33029, 635859), (70651, 297261), (90837, 231203), (99087, 211953)]