21403782

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{619}}^1$

素因数の和:757

約数の個数: 48

約数和(自身を含む): 49617360

約数和(自身を除く): 28213578

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 113, 153, 226, 306, 339, 619, 678, 1017, 1238, 1857, 1921, 2034, 3714, 3842, 5571, 5763, 10523, 11142, 11526, 17289, 21046, 31569, 34578, 63138, 69947, 94707, 139894, 189414, 209841, 419682, 629523, 1189099, 1259046, 2378198, 3567297, 7134594, 10701891, 21403782]

約数ペア:

[(1, 21403782), (2, 10701891), (3, 7134594), (6, 3567297), (9, 2378198), (17, 1259046), (18, 1189099), (34, 629523), (51, 419682), (102, 209841), (113, 189414), (153, 139894), (226, 94707), (306, 69947), (339, 63138), (619, 34578), (678, 31569), (1017, 21046), (1238, 17289), (1857, 11526), (1921, 11142), (2034, 10523), (3714, 5763), (3842, 5571)]