21957306

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{1481}}^1$

素因数の和:1846

約数の個数: 32

約数和(自身を含む): 50364288

約数和(自身を除く): 28406982

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 353, 706, 1059, 1481, 2118, 2471, 2962, 4443, 4942, 7413, 8886, 10367, 14826, 20734, 31101, 62202, 522793, 1045586, 1568379, 3136758, 3659551, 7319102, 10978653, 21957306]

約数ペア:

[(1, 21957306), (2, 10978653), (3, 7319102), (6, 3659551), (7, 3136758), (14, 1568379), (21, 1045586), (42, 522793), (353, 62202), (706, 31101), (1059, 20734), (1481, 14826), (2118, 10367), (2471, 8886), (2962, 7413), (4443, 4942)]