21295277

素因数分解:

${\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{257}}^1$

素因数の和:388

約数の個数: 16

約数和(自身を含む): 22885632

約数和(自身を除く): 1590355

約数列:

[1, 41, 43, 47, 257, 1763, 1927, 2021, 10537, 11051, 12079, 82861, 453091, 495239, 519397, 21295277]

約数ペア:

[(1, 21295277), (41, 519397), (43, 495239), (47, 453091), (257, 82861), (1763, 12079), (1927, 11051), (2021, 10537)]