21304152

素因数分解:

$2^3\times 3^2\times {\mathrm{449}}^1\times {\mathrm{659}}^1$

素因数の和:1120

約数の個数: 48

約数和(自身を含む): 57915000

約数和(自身を除く): 36610848

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 449, 659, 898, 1318, 1347, 1796, 1977, 2636, 2694, 3592, 3954, 4041, 5272, 5388, 5931, 7908, 8082, 10776, 11862, 15816, 16164, 23724, 32328, 47448, 295891, 591782, 887673, 1183564, 1775346, 2367128, 2663019, 3550692, 5326038, 7101384, 10652076, 21304152]

約数ペア:

[(1, 21304152), (2, 10652076), (3, 7101384), (4, 5326038), (6, 3550692), (8, 2663019), (9, 2367128), (12, 1775346), (18, 1183564), (24, 887673), (36, 591782), (72, 295891), (449, 47448), (659, 32328), (898, 23724), (1318, 16164), (1347, 15816), (1796, 11862), (1977, 10776), (2636, 8082), (2694, 7908), (3592, 5931), (3954, 5388), (4041, 5272)]