21300273

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{41521}}^1$

素因数の和:41549

約数の個数: 16

約数和(自身を含む): 33217600

約数和(自身を除く): 11917327

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 41521, 124563, 373689, 788899, 1121067, 2366697, 7100091, 21300273]

約数ペア:

[(1, 21300273), (3, 7100091), (9, 2366697), (19, 1121067), (27, 788899), (57, 373689), (171, 124563), (513, 41521)]