21650145

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131213}}^1$

素因数の和:131232

約数の個数: 16

約数和(自身を含む): 37789632

約数和(自身を除く): 16139487

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 131213, 393639, 656065, 1443343, 1968195, 4330029, 7216715, 21650145]

約数ペア:

[(1, 21650145), (3, 7216715), (5, 4330029), (11, 1968195), (15, 1443343), (33, 656065), (55, 393639), (165, 131213)]