21985033

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{7187}}^1$

素因数の和:7236

約数の個数: 16

約数和(自身を含む): 27601920

約数和(自身を除く): 5616887

約数列:

[1, 7, 19, 23, 133, 161, 437, 3059, 7187, 50309, 136553, 165301, 955871, 1157107, 3140719, 21985033]

約数ペア:

[(1, 21985033), (7, 3140719), (19, 1157107), (23, 955871), (133, 165301), (161, 136553), (437, 50309), (3059, 7187)]