22821309

素因数分解:

$3^2\times 7^2\times {\mathrm{51749}}^1$

素因数の和:51769

約数の個数: 18

約数和(自身を含む): 38346750

約数和(自身を除く): 15525441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 51749, 155247, 362243, 465741, 1086729, 2535701, 3260187, 7607103, 22821309]

約数ペア:

[(1, 22821309), (3, 7607103), (7, 3260187), (9, 2535701), (21, 1086729), (49, 465741), (63, 362243), (147, 155247), (441, 51749)]