21016352

素因数分解:

$2^5\times 7^1\times {\mathrm{17}}^1\times {\mathrm{5519}}^1$

素因数の和:5553

約数の個数: 48

約数和(自身を含む): 50077440

約数和(自身を除く): 29061088

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 68, 112, 119, 136, 224, 238, 272, 476, 544, 952, 1904, 3808, 5519, 11038, 22076, 38633, 44152, 77266, 88304, 93823, 154532, 176608, 187646, 309064, 375292, 618128, 656761, 750584, 1236256, 1313522, 1501168, 2627044, 3002336, 5254088, 10508176, 21016352]

約数ペア:

[(1, 21016352), (2, 10508176), (4, 5254088), (7, 3002336), (8, 2627044), (14, 1501168), (16, 1313522), (17, 1236256), (28, 750584), (32, 656761), (34, 618128), (56, 375292), (68, 309064), (112, 187646), (119, 176608), (136, 154532), (224, 93823), (238, 88304), (272, 77266), (476, 44152), (544, 38633), (952, 22076), (1904, 11038), (3808, 5519)]