21274203

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{257}}^1\times {\mathrm{673}}^1$

素因数の和:974

約数の個数: 16

約数和(自身を含む): 29213856

約数和(自身を除く): 7939653

約数列:

[1, 3, 41, 123, 257, 673, 771, 2019, 10537, 27593, 31611, 82779, 172961, 518883, 7091401, 21274203]

約数ペア:

[(1, 21274203), (3, 7091401), (41, 518883), (123, 172961), (257, 82779), (673, 31611), (771, 27593), (2019, 10537)]