21038342

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{9749}}^1$

素因数の和:9847

約数の個数: 16

約数和(自身を含む): 34398000

約数和(自身を除く): 13359658

約数列:

[1, 2, 13, 26, 83, 166, 1079, 2158, 9749, 19498, 126737, 253474, 809167, 1618334, 10519171, 21038342]

約数ペア:

[(1, 21038342), (2, 10519171), (13, 1618334), (26, 809167), (83, 253474), (166, 126737), (1079, 19498), (2158, 9749)]