21921792

素因数分解:

$2^{15}\times 3^1\times {\mathrm{223}}^1$

素因数の和:256

約数の個数: 64

約数和(自身を含む): 58719360

約数和(自身を除く): 36797568

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 223, 256, 384, 446, 512, 669, 768, 892, 1024, 1338, 1536, 1784, 2048, 2676, 3072, 3568, 4096, 5352, 6144, 7136, 8192, 10704, 12288, 14272, 16384, 21408, 24576, 28544, 32768, 42816, 49152, 57088, 85632, 98304, 114176, 171264, 228352, 342528, 456704, 685056, 913408, 1370112, 1826816, 2740224, 3653632, 5480448, 7307264, 10960896, 21921792]

約数ペア:

[(1, 21921792), (2, 10960896), (3, 7307264), (4, 5480448), (6, 3653632), (8, 2740224), (12, 1826816), (16, 1370112), (24, 913408), (32, 685056), (48, 456704), (64, 342528), (96, 228352), (128, 171264), (192, 114176), (223, 98304), (256, 85632), (384, 57088), (446, 49152), (512, 42816), (669, 32768), (768, 28544), (892, 24576), (1024, 21408), (1338, 16384), (1536, 14272), (1784, 12288), (2048, 10704), (2676, 8192), (3072, 7136), (3568, 6144), (4096, 5352)]