21411808

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{1031}}^1$

素因数の和:1111

約数の個数: 48

約数和(自身を含む): 46811520

約数和(自身を除く): 25399712

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 59, 88, 118, 176, 236, 352, 472, 649, 944, 1031, 1298, 1888, 2062, 2596, 4124, 5192, 8248, 10384, 11341, 16496, 20768, 22682, 32992, 45364, 60829, 90728, 121658, 181456, 243316, 362912, 486632, 669119, 973264, 1338238, 1946528, 2676476, 5352952, 10705904, 21411808]

約数ペア:

[(1, 21411808), (2, 10705904), (4, 5352952), (8, 2676476), (11, 1946528), (16, 1338238), (22, 973264), (32, 669119), (44, 486632), (59, 362912), (88, 243316), (118, 181456), (176, 121658), (236, 90728), (352, 60829), (472, 45364), (649, 32992), (944, 22682), (1031, 20768), (1298, 16496), (1888, 11341), (2062, 10384), (2596, 8248), (4124, 5192)]