21234554

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{401}}^1$

素因数の和:526

約数の個数: 32

約数和(自身を含む): 36469440

約数和(自身を除く): 15234886

約数列:

[1, 2, 11, 22, 29, 58, 83, 166, 319, 401, 638, 802, 913, 1826, 2407, 4411, 4814, 8822, 11629, 23258, 26477, 33283, 52954, 66566, 127919, 255838, 366113, 732226, 965207, 1930414, 10617277, 21234554]

約数ペア:

[(1, 21234554), (2, 10617277), (11, 1930414), (22, 965207), (29, 732226), (58, 366113), (83, 255838), (166, 127919), (319, 66566), (401, 52954), (638, 33283), (802, 26477), (913, 23258), (1826, 11629), (2407, 8822), (4411, 4814)]