21875277

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{1097}}^1$

素因数の和:1157

約数の個数: 24

約数和(自身を含む): 32360256

約数和(自身を除く): 10484979

約数列:

[1, 3, 17, 23, 51, 69, 289, 391, 867, 1097, 1173, 3291, 6647, 18649, 19941, 25231, 55947, 75693, 317033, 428927, 951099, 1286781, 7291759, 21875277]

約数ペア:

[(1, 21875277), (3, 7291759), (17, 1286781), (23, 951099), (51, 428927), (69, 317033), (289, 75693), (391, 55947), (867, 25231), (1097, 19941), (1173, 18649), (3291, 6647)]