21317724

素因数分解:

$2^2\times 3^2\times {\mathrm{331}}^1\times {\mathrm{1789}}^1$

素因数の和:2130

約数の個数: 36

約数和(自身を含む): 54079480

約数和(自身を除く): 32761756

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 331, 662, 993, 1324, 1789, 1986, 2979, 3578, 3972, 5367, 5958, 7156, 10734, 11916, 16101, 21468, 32202, 64404, 592159, 1184318, 1776477, 2368636, 3552954, 5329431, 7105908, 10658862, 21317724]

約数ペア:

[(1, 21317724), (2, 10658862), (3, 7105908), (4, 5329431), (6, 3552954), (9, 2368636), (12, 1776477), (18, 1184318), (36, 592159), (331, 64404), (662, 32202), (993, 21468), (1324, 16101), (1789, 11916), (1986, 10734), (2979, 7156), (3578, 5958), (3972, 5367)]