21885454

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{337}}^1\times {\mathrm{1709}}^1$

素因数の和:2067

約数の個数: 16

約数和(自身を含む): 34678800

約数和(自身を除く): 12793346

約数列:

[1, 2, 19, 38, 337, 674, 1709, 3418, 6403, 12806, 32471, 64942, 575933, 1151866, 10942727, 21885454]

約数ペア:

[(1, 21885454), (2, 10942727), (19, 1151866), (38, 575933), (337, 64942), (674, 32471), (1709, 12806), (3418, 6403)]