21274893

素因数分解:

$3^5\times {\mathrm{29}}^1\times {\mathrm{3019}}^1$

素因数の和:3063

約数の個数: 24

約数和(自身を含む): 32978400

約数和(自身を除く): 11703507

約数列:

[1, 3, 9, 27, 29, 81, 87, 243, 261, 783, 2349, 3019, 7047, 9057, 27171, 81513, 87551, 244539, 262653, 733617, 787959, 2363877, 7091631, 21274893]

約数ペア:

[(1, 21274893), (3, 7091631), (9, 2363877), (27, 787959), (29, 733617), (81, 262653), (87, 244539), (243, 87551), (261, 81513), (783, 27171), (2349, 9057), (3019, 7047)]