21074416

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{4129}}^1$

素因数の和:4177

約数の個数: 40

約数和(自身を含む): 46090800

約数和(自身を除く): 25016384

約数列:

[1, 2, 4, 8, 11, 16, 22, 29, 44, 58, 88, 116, 176, 232, 319, 464, 638, 1276, 2552, 4129, 5104, 8258, 16516, 33032, 45419, 66064, 90838, 119741, 181676, 239482, 363352, 478964, 726704, 957928, 1317151, 1915856, 2634302, 5268604, 10537208, 21074416]

約数ペア:

[(1, 21074416), (2, 10537208), (4, 5268604), (8, 2634302), (11, 1915856), (16, 1317151), (22, 957928), (29, 726704), (44, 478964), (58, 363352), (88, 239482), (116, 181676), (176, 119741), (232, 90838), (319, 66064), (464, 45419), (638, 33032), (1276, 16516), (2552, 8258), (4129, 5104)]