21943929

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:357

約数の個数: 32

約数和(自身を含む): 34560000

約数和(自身を除く): 12616071

約数列:

[1, 3, 7, 21, 59, 89, 177, 199, 267, 413, 597, 623, 1239, 1393, 1869, 4179, 5251, 11741, 15753, 17711, 35223, 36757, 53133, 82187, 110271, 123977, 246561, 371931, 1044949, 3134847, 7314643, 21943929]

約数ペア:

[(1, 21943929), (3, 7314643), (7, 3134847), (21, 1044949), (59, 371931), (89, 246561), (177, 123977), (199, 110271), (267, 82187), (413, 53133), (597, 36757), (623, 35223), (1239, 17711), (1393, 15753), (1869, 11741), (4179, 5251)]