21254478

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{463}}^1\times {\mathrm{1093}}^1$

素因数の和:1568

約数の個数: 32

約数和(自身を含む): 48731136

約数和(自身を除く): 27476658

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 463, 926, 1093, 1389, 2186, 2778, 3241, 3279, 6482, 6558, 7651, 9723, 15302, 19446, 22953, 45906, 506059, 1012118, 1518177, 3036354, 3542413, 7084826, 10627239, 21254478]

約数ペア:

[(1, 21254478), (2, 10627239), (3, 7084826), (6, 3542413), (7, 3036354), (14, 1518177), (21, 1012118), (42, 506059), (463, 45906), (926, 22953), (1093, 19446), (1389, 15302), (2186, 9723), (2778, 7651), (3241, 6558), (3279, 6482)]