21474438

素因数分解:

$2^1\times 3^1\times {\mathrm{67}}^1\times {\mathrm{53419}}^1$

素因数の和:53491

約数の個数: 16

約数和(自身を含む): 43590720

約数和(自身を除く): 22116282

約数列:

[1, 2, 3, 6, 67, 134, 201, 402, 53419, 106838, 160257, 320514, 3579073, 7158146, 10737219, 21474438]

約数ペア:

[(1, 21474438), (2, 10737219), (3, 7158146), (6, 3579073), (67, 320514), (134, 160257), (201, 106838), (402, 53419)]