21532336

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{263}}^1$

素因数の和:338

約数の個数: 80

約数和(自身を含む): 51853824

約数和(自身を除く): 30321488

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 43, 56, 68, 86, 112, 119, 136, 172, 238, 263, 272, 301, 344, 476, 526, 602, 688, 731, 952, 1052, 1204, 1462, 1841, 1904, 2104, 2408, 2924, 3682, 4208, 4471, 4816, 5117, 5848, 7364, 8942, 10234, 11309, 11696, 14728, 17884, 20468, 22618, 29456, 31297, 35768, 40936, 45236, 62594, 71536, 79163, 81872, 90472, 125188, 158326, 180944, 192253, 250376, 316652, 384506, 500752, 633304, 769012, 1266608, 1345771, 1538024, 2691542, 3076048, 5383084, 10766168, 21532336]

約数ペア:

[(1, 21532336), (2, 10766168), (4, 5383084), (7, 3076048), (8, 2691542), (14, 1538024), (16, 1345771), (17, 1266608), (28, 769012), (34, 633304), (43, 500752), (56, 384506), (68, 316652), (86, 250376), (112, 192253), (119, 180944), (136, 158326), (172, 125188), (238, 90472), (263, 81872), (272, 79163), (301, 71536), (344, 62594), (476, 45236), (526, 40936), (602, 35768), (688, 31297), (731, 29456), (952, 22618), (1052, 20468), (1204, 17884), (1462, 14728), (1841, 11696), (1904, 11309), (2104, 10234), (2408, 8942), (2924, 7364), (3682, 5848), (4208, 5117), (4471, 4816)]