21470966

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{17}}^2\times {\mathrm{307}}^1$

素因数の和:365

約数の個数: 36

約数和(自身を含む): 37727844

約数和(自身を除く): 16256878

約数列:

[1, 2, 11, 17, 22, 34, 121, 187, 242, 289, 307, 374, 578, 614, 2057, 3179, 3377, 4114, 5219, 6358, 6754, 10438, 34969, 37147, 57409, 69938, 74294, 88723, 114818, 177446, 631499, 975953, 1262998, 1951906, 10735483, 21470966]

約数ペア:

[(1, 21470966), (2, 10735483), (11, 1951906), (17, 1262998), (22, 975953), (34, 631499), (121, 177446), (187, 114818), (242, 88723), (289, 74294), (307, 69938), (374, 57409), (578, 37147), (614, 34969), (2057, 10438), (3179, 6754), (3377, 6358), (4114, 5219)]