21242091

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{8929}}^1$

素因数の和:9006

約数の個数: 16

約数和(自身を含む): 31004960

約数和(自身を除く): 9762869

約数列:

[1, 3, 13, 39, 61, 183, 793, 2379, 8929, 26787, 116077, 348231, 544669, 1634007, 7080697, 21242091]

約数ペア:

[(1, 21242091), (3, 7080697), (13, 1634007), (39, 544669), (61, 348231), (183, 116077), (793, 26787), (2379, 8929)]