21523716

素因数分解:

$2^2\times 3^2\times {\mathrm{347}}^1\times {\mathrm{1723}}^1$

素因数の和:2080

約数の個数: 36

約数和(自身を含む): 54595632

約数和(自身を除く): 33071916

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 347, 694, 1041, 1388, 1723, 2082, 3123, 3446, 4164, 5169, 6246, 6892, 10338, 12492, 15507, 20676, 31014, 62028, 597881, 1195762, 1793643, 2391524, 3587286, 5380929, 7174572, 10761858, 21523716]

約数ペア:

[(1, 21523716), (2, 10761858), (3, 7174572), (4, 5380929), (6, 3587286), (9, 2391524), (12, 1793643), (18, 1195762), (36, 597881), (347, 62028), (694, 31014), (1041, 20676), (1388, 15507), (1723, 12492), (2082, 10338), (3123, 6892), (3446, 6246), (4164, 5169)]