21429777

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{4759}}^1$

素因数の和:4860

約数の個数: 16

約数和(自身を含む): 30464000

約数和(自身を除く): 9034223

約数列:

[1, 3, 19, 57, 79, 237, 1501, 4503, 4759, 14277, 90421, 271263, 375961, 1127883, 7143259, 21429777]

約数ペア:

[(1, 21429777), (3, 7143259), (19, 1127883), (57, 375961), (79, 271263), (237, 90421), (1501, 14277), (4503, 4759)]