21766409

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{1811}}^1$

素因数の和:1936

約数の個数: 16

約数和(自身を含む): 26614656

約数和(自身を除く): 4848247

約数列:

[1, 7, 17, 101, 119, 707, 1717, 1811, 12019, 12677, 30787, 182911, 215509, 1280377, 3109487, 21766409]

約数ペア:

[(1, 21766409), (7, 3109487), (17, 1280377), (101, 215509), (119, 182911), (707, 30787), (1717, 12677), (1811, 12019)]