21497663

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{2741}}^1$

素因数の和:2806

約数の個数: 16

約数和(自身を含む): 25270272

約数和(自身を除く): 3772609

約数列:

[1, 11, 23, 31, 253, 341, 713, 2741, 7843, 30151, 63043, 84971, 693473, 934681, 1954333, 21497663]

約数ペア:

[(1, 21497663), (11, 1954333), (23, 934681), (31, 693473), (253, 84971), (341, 63043), (713, 30151), (2741, 7843)]