21771663

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{13171}}^1$

素因数の和:13222

約数の個数: 16

約数和(自身を含む): 31612800

約数和(自身を除く): 9841137

約数列:

[1, 3, 19, 29, 57, 87, 551, 1653, 13171, 39513, 250249, 381959, 750747, 1145877, 7257221, 21771663]

約数ペア:

[(1, 21771663), (3, 7257221), (19, 1145877), (29, 750747), (57, 381959), (87, 250249), (551, 39513), (1653, 13171)]