21552948

素因数分解:

$2^2\times 3^2\times {\mathrm{401}}^1\times {\mathrm{1493}}^1$

素因数の和:1904

約数の個数: 36

約数和(自身を含む): 54653508

約数和(自身を除く): 33100560

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 401, 802, 1203, 1493, 1604, 2406, 2986, 3609, 4479, 4812, 5972, 7218, 8958, 13437, 14436, 17916, 26874, 53748, 598693, 1197386, 1796079, 2394772, 3592158, 5388237, 7184316, 10776474, 21552948]

約数ペア:

[(1, 21552948), (2, 10776474), (3, 7184316), (4, 5388237), (6, 3592158), (9, 2394772), (12, 1796079), (18, 1197386), (36, 598693), (401, 53748), (802, 26874), (1203, 17916), (1493, 14436), (1604, 13437), (2406, 8958), (2986, 7218), (3609, 5972), (4479, 4812)]