21375088

素因数分解:

$2^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{6581}}^1$

素因数の和:6625

約数の個数: 40

約数和(自身を含む): 48970080

約数和(自身を除く): 27594992

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 56, 58, 112, 116, 203, 232, 406, 464, 812, 1624, 3248, 6581, 13162, 26324, 46067, 52648, 92134, 105296, 184268, 190849, 368536, 381698, 737072, 763396, 1335943, 1526792, 2671886, 3053584, 5343772, 10687544, 21375088]

約数ペア:

[(1, 21375088), (2, 10687544), (4, 5343772), (7, 3053584), (8, 2671886), (14, 1526792), (16, 1335943), (28, 763396), (29, 737072), (56, 381698), (58, 368536), (112, 190849), (116, 184268), (203, 105296), (232, 92134), (406, 52648), (464, 46067), (812, 26324), (1624, 13162), (3248, 6581)]