21255104

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{433}}^1$

素因数の和:517

約数の個数: 56

約数和(自身を含む): 46299120

約数和(自身を除く): 25044016

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 59, 64, 104, 118, 208, 236, 416, 433, 472, 767, 832, 866, 944, 1534, 1732, 1888, 3068, 3464, 3776, 5629, 6136, 6928, 11258, 12272, 13856, 22516, 24544, 25547, 27712, 45032, 49088, 51094, 90064, 102188, 180128, 204376, 332111, 360256, 408752, 664222, 817504, 1328444, 1635008, 2656888, 5313776, 10627552, 21255104]

約数ペア:

[(1, 21255104), (2, 10627552), (4, 5313776), (8, 2656888), (13, 1635008), (16, 1328444), (26, 817504), (32, 664222), (52, 408752), (59, 360256), (64, 332111), (104, 204376), (118, 180128), (208, 102188), (236, 90064), (416, 51094), (433, 49088), (472, 45032), (767, 27712), (832, 25547), (866, 24544), (944, 22516), (1534, 13856), (1732, 12272), (1888, 11258), (3068, 6928), (3464, 6136), (3776, 5629)]