21855531

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{229}}^1\times {\mathrm{1097}}^1$

素因数の和:1358

約数の個数: 16

約数和(自身を含む): 30304800

約数和(自身を除く): 8449269

約数列:

[1, 3, 29, 87, 229, 687, 1097, 3291, 6641, 19923, 31813, 95439, 251213, 753639, 7285177, 21855531]

約数ペア:

[(1, 21855531), (3, 7285177), (29, 753639), (87, 251213), (229, 95439), (687, 31813), (1097, 19923), (3291, 6641)]