21264122

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{173}}^1$

素因数の和:374

約数の個数: 32

約数和(自身を含む): 36180864

約数和(自身を除く): 14916742

約数列:

[1, 2, 11, 22, 37, 74, 151, 173, 302, 346, 407, 814, 1661, 1903, 3322, 3806, 5587, 6401, 11174, 12802, 26123, 52246, 61457, 70411, 122914, 140822, 287353, 574706, 966551, 1933102, 10632061, 21264122]

約数ペア:

[(1, 21264122), (2, 10632061), (11, 1933102), (22, 966551), (37, 574706), (74, 287353), (151, 140822), (173, 122914), (302, 70411), (346, 61457), (407, 52246), (814, 26123), (1661, 12802), (1903, 11174), (3322, 6401), (3806, 5587)]