21037050981

素因数分解:

$3^2\times {\mathrm{181}}^1\times {\mathrm{263}}^1\times {\mathrm{49103}}^1$

素因数の和:49553

約数の個数: 24

約数和(自身を含む): 30671536896

約数和(自身を除く): 9634485915

約数列:

[1, 3, 9, 181, 263, 543, 789, 1629, 2367, 47603, 49103, 142809, 147309, 428427, 441927, 8887643, 12914089, 26662929, 38742267, 79988787, 116226801, 2337450109, 7012350327, 21037050981]

約数ペア:

[(1, 21037050981), (3, 7012350327), (9, 2337450109), (181, 116226801), (263, 79988787), (543, 38742267), (789, 26662929), (1629, 12914089), (2367, 8887643), (47603, 441927), (49103, 428427), (142809, 147309)]