21828810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{17747}}^1$

素因数の和:17798

約数の個数: 32

約数和(自身を含む): 53669952

約数和(自身を除く): 31841142

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 41, 82, 123, 205, 246, 410, 615, 1230, 17747, 35494, 53241, 88735, 106482, 177470, 266205, 532410, 727627, 1455254, 2182881, 3638135, 4365762, 7276270, 10914405, 21828810]

約数ペア:

[(1, 21828810), (2, 10914405), (3, 7276270), (5, 4365762), (6, 3638135), (10, 2182881), (15, 1455254), (30, 727627), (41, 532410), (82, 266205), (123, 177470), (205, 106482), (246, 88735), (410, 53241), (615, 35494), (1230, 17747)]