21594352

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:266

約数の個数: 80

約数和(自身を含む): 49496832

約数和(自身を除く): 27902480

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 31, 34, 52, 62, 68, 104, 124, 136, 197, 208, 221, 248, 272, 394, 403, 442, 496, 527, 788, 806, 884, 1054, 1576, 1612, 1768, 2108, 2561, 3152, 3224, 3349, 3536, 4216, 5122, 6107, 6448, 6698, 6851, 8432, 10244, 12214, 13396, 13702, 20488, 24428, 26792, 27404, 40976, 43537, 48856, 53584, 54808, 79391, 87074, 97712, 103819, 109616, 158782, 174148, 207638, 317564, 348296, 415276, 635128, 696592, 830552, 1270256, 1349647, 1661104, 2699294, 5398588, 10797176, 21594352]

約数ペア:

[(1, 21594352), (2, 10797176), (4, 5398588), (8, 2699294), (13, 1661104), (16, 1349647), (17, 1270256), (26, 830552), (31, 696592), (34, 635128), (52, 415276), (62, 348296), (68, 317564), (104, 207638), (124, 174148), (136, 158782), (197, 109616), (208, 103819), (221, 97712), (248, 87074), (272, 79391), (394, 54808), (403, 53584), (442, 48856), (496, 43537), (527, 40976), (788, 27404), (806, 26792), (884, 24428), (1054, 20488), (1576, 13702), (1612, 13396), (1768, 12214), (2108, 10244), (2561, 8432), (3152, 6851), (3224, 6698), (3349, 6448), (3536, 6107), (4216, 5122)]