20921837289

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{1637}}^1\times {\mathrm{224221}}^1$

素因数の和:225880

約数の個数: 16

約数和(自身を含む): 29382050880

約数和(自身を除く): 8460213591

約数列:

[1, 3, 19, 57, 1637, 4911, 31103, 93309, 224221, 672663, 4260199, 12780597, 367049777, 1101149331, 6973945763, 20921837289]

約数ペア:

[(1, 20921837289), (3, 6973945763), (19, 1101149331), (57, 367049777), (1637, 12780597), (4911, 4260199), (31103, 672663), (93309, 224221)]