21910623

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1\times {\mathrm{173}}^1$

素因数の和:383

約数の個数: 32

約数和(自身を含む): 34699776

約数和(自身を除く): 12789153

約数列:

[1, 3, 7, 21, 37, 111, 163, 173, 259, 489, 519, 777, 1141, 1211, 3423, 3633, 6031, 6401, 18093, 19203, 28199, 42217, 44807, 84597, 126651, 134421, 197393, 592179, 1043363, 3130089, 7303541, 21910623]

約数ペア:

[(1, 21910623), (3, 7303541), (7, 3130089), (21, 1043363), (37, 592179), (111, 197393), (163, 134421), (173, 126651), (259, 84597), (489, 44807), (519, 42217), (777, 28199), (1141, 19203), (1211, 18093), (3423, 6401), (3633, 6031)]