21265310

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{1993}}^1$

素因数の和:2108

約数の個数: 32

約数和(自身を含む): 42208992

約数和(自身を除く): 20943682

約数列:

[1, 2, 5, 10, 11, 22, 55, 97, 110, 194, 485, 970, 1067, 1993, 2134, 3986, 5335, 9965, 10670, 19930, 21923, 43846, 109615, 193321, 219230, 386642, 966605, 1933210, 2126531, 4253062, 10632655, 21265310]

約数ペア:

[(1, 21265310), (2, 10632655), (5, 4253062), (10, 2126531), (11, 1933210), (22, 966605), (55, 386642), (97, 219230), (110, 193321), (194, 109615), (485, 43846), (970, 21923), (1067, 19930), (1993, 10670), (2134, 9965), (3986, 5335)]