21473669

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{5821}}^1$

素因数の和:5876

約数の個数: 16

約数和(自身を含む): 26827776

約数和(自身を除く): 5354107

約数列:

[1, 7, 17, 31, 119, 217, 527, 3689, 5821, 40747, 98957, 180451, 692699, 1263157, 3067667, 21473669]

約数ペア:

[(1, 21473669), (7, 3067667), (17, 1263157), (31, 692699), (119, 180451), (217, 98957), (527, 40747), (3689, 5821)]