21077888901

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{1619}}^1\times {\mathrm{2213}}^1$

素因数の和:3925

約数の個数: 32

約数和(自身を含む): 29439469440

約数和(自身を除く): 8361580539

約数列:

[1, 3, 37, 53, 111, 159, 1619, 1961, 2213, 4857, 5883, 6639, 59903, 81881, 85807, 117289, 179709, 245643, 257421, 351867, 3174859, 3582847, 4339693, 9524577, 10748541, 13019079, 132565339, 189890891, 397696017, 569672673, 7025962967, 21077888901]

約数ペア:

[(1, 21077888901), (3, 7025962967), (37, 569672673), (53, 397696017), (111, 189890891), (159, 132565339), (1619, 13019079), (1961, 10748541), (2213, 9524577), (4857, 4339693), (5883, 3582847), (6639, 3174859), (59903, 351867), (81881, 257421), (85807, 245643), (117289, 179709)]