21521390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{2017}}^1$

素因数の和:2132

約数の個数: 32

約数和(自身を含む): 42717024

約数和(自身を除く): 21195634

約数列:

[1, 2, 5, 10, 11, 22, 55, 97, 110, 194, 485, 970, 1067, 2017, 2134, 4034, 5335, 10085, 10670, 20170, 22187, 44374, 110935, 195649, 221870, 391298, 978245, 1956490, 2152139, 4304278, 10760695, 21521390]

約数ペア:

[(1, 21521390), (2, 10760695), (5, 4304278), (10, 2152139), (11, 1956490), (22, 978245), (55, 391298), (97, 221870), (110, 195649), (194, 110935), (485, 44374), (970, 22187), (1067, 20170), (2017, 10670), (2134, 10085), (4034, 5335)]