21967808

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{331}}^1$

素因数の和:421

約数の個数: 56

約数和(自身を含む): 47055024

約数和(自身を除く): 25087216

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 61, 64, 68, 122, 136, 244, 272, 331, 488, 544, 662, 976, 1037, 1088, 1324, 1952, 2074, 2648, 3904, 4148, 5296, 5627, 8296, 10592, 11254, 16592, 20191, 21184, 22508, 33184, 40382, 45016, 66368, 80764, 90032, 161528, 180064, 323056, 343247, 360128, 646112, 686494, 1292224, 1372988, 2745976, 5491952, 10983904, 21967808]

約数ペア:

[(1, 21967808), (2, 10983904), (4, 5491952), (8, 2745976), (16, 1372988), (17, 1292224), (32, 686494), (34, 646112), (61, 360128), (64, 343247), (68, 323056), (122, 180064), (136, 161528), (244, 90032), (272, 80764), (331, 66368), (488, 45016), (544, 40382), (662, 33184), (976, 22508), (1037, 21184), (1088, 20191), (1324, 16592), (1952, 11254), (2074, 10592), (2648, 8296), (3904, 5627), (4148, 5296)]