21665304

素因数分解:

$2^3\times 3^2\times {\mathrm{131}}^1\times {\mathrm{2297}}^1$

素因数の和:2440

約数の個数: 48

約数和(自身を含む): 59150520

約数和(自身を除く): 37485216

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 131, 262, 393, 524, 786, 1048, 1179, 1572, 2297, 2358, 3144, 4594, 4716, 6891, 9188, 9432, 13782, 18376, 20673, 27564, 41346, 55128, 82692, 165384, 300907, 601814, 902721, 1203628, 1805442, 2407256, 2708163, 3610884, 5416326, 7221768, 10832652, 21665304]

約数ペア:

[(1, 21665304), (2, 10832652), (3, 7221768), (4, 5416326), (6, 3610884), (8, 2708163), (9, 2407256), (12, 1805442), (18, 1203628), (24, 902721), (36, 601814), (72, 300907), (131, 165384), (262, 82692), (393, 55128), (524, 41346), (786, 27564), (1048, 20673), (1179, 18376), (1572, 13782), (2297, 9432), (2358, 9188), (3144, 6891), (4594, 4716)]