21090516

素因数分解:

$2^2\times 3^1\times {\mathrm{97}}^1\times {\mathrm{18119}}^1$

素因数の和:18223

約数の個数: 24

約数和(自身を含む): 49721280

約数和(自身を除く): 28630764

約数列:

[1, 2, 3, 4, 6, 12, 97, 194, 291, 388, 582, 1164, 18119, 36238, 54357, 72476, 108714, 217428, 1757543, 3515086, 5272629, 7030172, 10545258, 21090516]

約数ペア:

[(1, 21090516), (2, 10545258), (3, 7030172), (4, 5272629), (6, 3515086), (12, 1757543), (97, 217428), (194, 108714), (291, 72476), (388, 54357), (582, 36238), (1164, 18119)]