21142016

素因数分解:

$2^9\times 7^1\times {\mathrm{17}}^1\times {\mathrm{347}}^1$

素因数の和:389

約数の個数: 80

約数和(自身を含む): 51264576

約数和(自身を除く): 30122560

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 64, 68, 112, 119, 128, 136, 224, 238, 256, 272, 347, 448, 476, 512, 544, 694, 896, 952, 1088, 1388, 1792, 1904, 2176, 2429, 2776, 3584, 3808, 4352, 4858, 5552, 5899, 7616, 8704, 9716, 11104, 11798, 15232, 19432, 22208, 23596, 30464, 38864, 41293, 44416, 47192, 60928, 77728, 82586, 88832, 94384, 155456, 165172, 177664, 188768, 310912, 330344, 377536, 621824, 660688, 755072, 1243648, 1321376, 1510144, 2642752, 3020288, 5285504, 10571008, 21142016]

約数ペア:

[(1, 21142016), (2, 10571008), (4, 5285504), (7, 3020288), (8, 2642752), (14, 1510144), (16, 1321376), (17, 1243648), (28, 755072), (32, 660688), (34, 621824), (56, 377536), (64, 330344), (68, 310912), (112, 188768), (119, 177664), (128, 165172), (136, 155456), (224, 94384), (238, 88832), (256, 82586), (272, 77728), (347, 60928), (448, 47192), (476, 44416), (512, 41293), (544, 38864), (694, 30464), (896, 23596), (952, 22208), (1088, 19432), (1388, 15232), (1792, 11798), (1904, 11104), (2176, 9716), (2429, 8704), (2776, 7616), (3584, 5899), (3808, 5552), (4352, 4858)]