21820494

素因数分解:

$2^1\times 3^1\times {\mathrm{229}}^1\times {\mathrm{15881}}^1$

素因数の和:16115

約数の個数: 16

約数和(自身を含む): 43834320

約数和(自身を除く): 22013826

約数列:

[1, 2, 3, 6, 229, 458, 687, 1374, 15881, 31762, 47643, 95286, 3636749, 7273498, 10910247, 21820494]

約数ペア:

[(1, 21820494), (2, 10910247), (3, 7273498), (6, 3636749), (229, 95286), (458, 47643), (687, 31762), (1374, 15881)]