21107746

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{50497}}^1$

素因数の和:50529

約数の個数: 16

約数和(自身を含む): 36358560

約数和(自身を除く): 15250814

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 50497, 100994, 555467, 959443, 1110934, 1918886, 10553873, 21107746]

約数ペア:

[(1, 21107746), (2, 10553873), (11, 1918886), (19, 1110934), (22, 959443), (38, 555467), (209, 100994), (418, 50497)]