21132867

素因数分解:

$3^1\times 7^2\times {\mathrm{233}}^1\times {\mathrm{617}}^1$

素因数の和:867

約数の個数: 24

約数和(自身を含む): 32971536

約数和(自身を除く): 11838669

約数列:

[1, 3, 7, 21, 49, 147, 233, 617, 699, 1631, 1851, 4319, 4893, 11417, 12957, 30233, 34251, 90699, 143761, 431283, 1006327, 3018981, 7044289, 21132867]

約数ペア:

[(1, 21132867), (3, 7044289), (7, 3018981), (21, 1006327), (49, 431283), (147, 143761), (233, 90699), (617, 34251), (699, 30233), (1631, 12957), (1851, 11417), (4319, 4893)]