21050744

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{18401}}^1$

素因数の和:18431

約数の個数: 32

約数和(自身を含む): 46373040

約数和(自身を除く): 25322296

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 18401, 36802, 73604, 147208, 202411, 239213, 404822, 478426, 809644, 956852, 1619288, 1913704, 2631343, 5262686, 10525372, 21050744]

約数ペア:

[(1, 21050744), (2, 10525372), (4, 5262686), (8, 2631343), (11, 1913704), (13, 1619288), (22, 956852), (26, 809644), (44, 478426), (52, 404822), (88, 239213), (104, 202411), (143, 147208), (286, 73604), (572, 36802), (1144, 18401)]