21000514832

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{1055939}}^1$

素因数の和:1056071

約数の個数: 40

約数和(自身を含む): 44780303520

約数和(自身を除く): 23779788688

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 113, 176, 226, 452, 904, 1243, 1808, 2486, 4972, 9944, 19888, 1055939, 2111878, 4223756, 8447512, 11615329, 16895024, 23230658, 46461316, 92922632, 119321107, 185845264, 238642214, 477284428, 954568856, 1312532177, 1909137712, 2625064354, 5250128708, 10500257416, 21000514832]

約数ペア:

[(1, 21000514832), (2, 10500257416), (4, 5250128708), (8, 2625064354), (11, 1909137712), (16, 1312532177), (22, 954568856), (44, 477284428), (88, 238642214), (113, 185845264), (176, 119321107), (226, 92922632), (452, 46461316), (904, 23230658), (1243, 16895024), (1808, 11615329), (2486, 8447512), (4972, 4223756), (9944, 2111878), (19888, 1055939)]