21050931

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{9521}}^1$

素因数の和:9602

約数の個数: 16

約数和(自身を含む): 31079808

約数和(自身を除く): 10028877

約数列:

[1, 3, 11, 33, 67, 201, 737, 2211, 9521, 28563, 104731, 314193, 637907, 1913721, 7016977, 21050931]

約数ペア:

[(1, 21050931), (3, 7016977), (11, 1913721), (33, 637907), (67, 314193), (201, 104731), (737, 28563), (2211, 9521)]