21738306

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{773}}^1$

素因数の和:930

約数の個数: 32

約数和(自身を含む): 44953920

約数和(自身を除く): 23215614

約数列:

[1, 2, 3, 6, 43, 86, 109, 129, 218, 258, 327, 654, 773, 1546, 2319, 4638, 4687, 9374, 14061, 28122, 33239, 66478, 84257, 99717, 168514, 199434, 252771, 505542, 3623051, 7246102, 10869153, 21738306]

約数ペア:

[(1, 21738306), (2, 10869153), (3, 7246102), (6, 3623051), (43, 505542), (86, 252771), (109, 199434), (129, 168514), (218, 99717), (258, 84257), (327, 66478), (654, 33239), (773, 28122), (1546, 14061), (2319, 9374), (4638, 4687)]