21273639

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{971}}^1$

素因数の和:1150

約数の個数: 16

約数和(自身を含む): 29082240

約数和(自身を除く): 7808601

約数列:

[1, 3, 67, 109, 201, 327, 971, 2913, 7303, 21909, 65057, 105839, 195171, 317517, 7091213, 21273639]

約数ペア:

[(1, 21273639), (3, 7091213), (67, 317517), (109, 195171), (201, 105839), (327, 65057), (971, 21909), (2913, 7303)]