21131153

素因数分解:

${\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{499}}^1$

素因数の和:616

約数の個数: 16

約数和(自身を含む): 23328000

約数和(自身を除く): 2196847

約数列:

[1, 17, 47, 53, 499, 799, 901, 2491, 8483, 23453, 26447, 42347, 398701, 449599, 1243009, 21131153]

約数ペア:

[(1, 21131153), (17, 1243009), (47, 449599), (53, 398701), (499, 42347), (799, 26447), (901, 23453), (2491, 8483)]