21784434

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{1567}}^1$

素因数の和:1910

約数の個数: 32

約数和(自身を含む): 49975296

約数和(自身を除く): 28190862

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 331, 662, 993, 1567, 1986, 2317, 3134, 4634, 4701, 6951, 9402, 10969, 13902, 21938, 32907, 65814, 518677, 1037354, 1556031, 3112062, 3630739, 7261478, 10892217, 21784434]

約数ペア:

[(1, 21784434), (2, 10892217), (3, 7261478), (6, 3630739), (7, 3112062), (14, 1556031), (21, 1037354), (42, 518677), (331, 65814), (662, 32907), (993, 21938), (1567, 13902), (1986, 10969), (2317, 9402), (3134, 6951), (4634, 4701)]