21004401

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37441}}^1$

素因数の和:37472

約数の個数: 16

約数和(自身を含む): 32349888

約数和(自身を除く): 11345487

約数列:

[1, 3, 11, 17, 33, 51, 187, 561, 37441, 112323, 411851, 636497, 1235553, 1909491, 7001467, 21004401]

約数ペア:

[(1, 21004401), (3, 7001467), (11, 1909491), (17, 1235553), (33, 636497), (51, 411851), (187, 112323), (561, 37441)]