21801867

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{1373}}^1$

素因数の和:1522

約数の個数: 16

約数和(自身を含む): 29898240

約数和(自身を除く): 8096373

約数列:

[1, 3, 67, 79, 201, 237, 1373, 4119, 5293, 15879, 91991, 108467, 275973, 325401, 7267289, 21801867]

約数ペア:

[(1, 21801867), (3, 7267289), (67, 325401), (79, 275973), (201, 108467), (237, 91991), (1373, 15879), (4119, 5293)]