21579712

素因数分解:

$2^6\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1$

素因数の和:210

約数の個数: 112

約数和(自身を含む): 55595520

約数和(自身を除く): 34015808

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 29, 32, 44, 56, 58, 64, 77, 88, 112, 116, 151, 154, 176, 203, 224, 232, 302, 308, 319, 352, 406, 448, 464, 604, 616, 638, 704, 812, 928, 1057, 1208, 1232, 1276, 1624, 1661, 1856, 2114, 2233, 2416, 2464, 2552, 3248, 3322, 4228, 4379, 4466, 4832, 4928, 5104, 6496, 6644, 8456, 8758, 8932, 9664, 10208, 11627, 12992, 13288, 16912, 17516, 17864, 20416, 23254, 26576, 30653, 33824, 35032, 35728, 46508, 48169, 53152, 61306, 67648, 70064, 71456, 93016, 96338, 106304, 122612, 140128, 142912, 186032, 192676, 245224, 280256, 337183, 372064, 385352, 490448, 674366, 744128, 770704, 980896, 1348732, 1541408, 1961792, 2697464, 3082816, 5394928, 10789856, 21579712]

約数ペア:

[(1, 21579712), (2, 10789856), (4, 5394928), (7, 3082816), (8, 2697464), (11, 1961792), (14, 1541408), (16, 1348732), (22, 980896), (28, 770704), (29, 744128), (32, 674366), (44, 490448), (56, 385352), (58, 372064), (64, 337183), (77, 280256), (88, 245224), (112, 192676), (116, 186032), (151, 142912), (154, 140128), (176, 122612), (203, 106304), (224, 96338), (232, 93016), (302, 71456), (308, 70064), (319, 67648), (352, 61306), (406, 53152), (448, 48169), (464, 46508), (604, 35728), (616, 35032), (638, 33824), (704, 30653), (812, 26576), (928, 23254), (1057, 20416), (1208, 17864), (1232, 17516), (1276, 16912), (1624, 13288), (1661, 12992), (1856, 11627), (2114, 10208), (2233, 9664), (2416, 8932), (2464, 8758), (2552, 8456), (3248, 6644), (3322, 6496), (4228, 5104), (4379, 4928), (4466, 4832)]