21069537

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{4679}}^1$

素因数の和:4780

約数の個数: 16

約数和(自身を含む): 29952000

約数和(自身を除く): 8882463

約数列:

[1, 3, 19, 57, 79, 237, 1501, 4503, 4679, 14037, 88901, 266703, 369641, 1108923, 7023179, 21069537]

約数ペア:

[(1, 21069537), (3, 7023179), (19, 1108923), (57, 369641), (79, 266703), (237, 88901), (1501, 14037), (4503, 4679)]