21454432

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{379}}^1$

素因数の和:479

約数の個数: 48

約数和(自身を含む): 44528400

約数和(自身を除く): 23073968

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 61, 116, 122, 232, 244, 379, 464, 488, 758, 928, 976, 1516, 1769, 1952, 3032, 3538, 6064, 7076, 10991, 12128, 14152, 21982, 23119, 28304, 43964, 46238, 56608, 87928, 92476, 175856, 184952, 351712, 369904, 670451, 739808, 1340902, 2681804, 5363608, 10727216, 21454432]

約数ペア:

[(1, 21454432), (2, 10727216), (4, 5363608), (8, 2681804), (16, 1340902), (29, 739808), (32, 670451), (58, 369904), (61, 351712), (116, 184952), (122, 175856), (232, 92476), (244, 87928), (379, 56608), (464, 46238), (488, 43964), (758, 28304), (928, 23119), (976, 21982), (1516, 14152), (1769, 12128), (1952, 10991), (3032, 7076), (3538, 6064)]