21309492

素因数分解:

$2^2\times 3^1\times {\mathrm{181}}^1\times {\mathrm{9811}}^1$

素因数の和:9999

約数の個数: 24

約数和(自身を含む): 50001952

約数和(自身を除く): 28692460

約数列:

[1, 2, 3, 4, 6, 12, 181, 362, 543, 724, 1086, 2172, 9811, 19622, 29433, 39244, 58866, 117732, 1775791, 3551582, 5327373, 7103164, 10654746, 21309492]

約数ペア:

[(1, 21309492), (2, 10654746), (3, 7103164), (4, 5327373), (6, 3551582), (12, 1775791), (181, 117732), (362, 58866), (543, 39244), (724, 29433), (1086, 19622), (2172, 9811)]