21965638

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{4409}}^1$

素因数の和:4511

約数の個数: 16

約数和(自身を含む): 34292160

約数和(自身を除く): 12326522

約数列:

[1, 2, 47, 53, 94, 106, 2491, 4409, 4982, 8818, 207223, 233677, 414446, 467354, 10982819, 21965638]

約数ペア:

[(1, 21965638), (2, 10982819), (47, 467354), (53, 414446), (94, 233677), (106, 207223), (2491, 8818), (4409, 4982)]