21817920

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{22727}}^1$

素因数の和:22747

約数の個数: 56

約数和(自身を含む): 69274944

約数和(自身を除く): 47457024

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 22727, 45454, 68181, 90908, 113635, 136362, 181816, 227270, 272724, 340905, 363632, 454540, 545448, 681810, 727264, 909080, 1090896, 1363620, 1454528, 1818160, 2181792, 2727240, 3636320, 4363584, 5454480, 7272640, 10908960, 21817920]

約数ペア:

[(1, 21817920), (2, 10908960), (3, 7272640), (4, 5454480), (5, 4363584), (6, 3636320), (8, 2727240), (10, 2181792), (12, 1818160), (15, 1454528), (16, 1363620), (20, 1090896), (24, 909080), (30, 727264), (32, 681810), (40, 545448), (48, 454540), (60, 363632), (64, 340905), (80, 272724), (96, 227270), (120, 181816), (160, 136362), (192, 113635), (240, 90908), (320, 68181), (480, 45454), (960, 22727)]