21280176

素因数分解:

$2^4\times 3^2\times {\mathrm{147779}}^1$

素因数の和:147793

約数の個数: 30

約数和(自身を含む): 59555340

約数和(自身を除く): 38275164

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 147779, 295558, 443337, 591116, 886674, 1182232, 1330011, 1773348, 2364464, 2660022, 3546696, 5320044, 7093392, 10640088, 21280176]

約数ペア:

[(1, 21280176), (2, 10640088), (3, 7093392), (4, 5320044), (6, 3546696), (8, 2660022), (9, 2364464), (12, 1773348), (16, 1330011), (18, 1182232), (24, 886674), (36, 591116), (48, 443337), (72, 295558), (144, 147779)]