21999616

素因数分解:

$2^{12}\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:196

約数の個数: 52

約数和(自身を含む): 45410904

約数和(自身を除く): 23411288

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 128, 131, 164, 256, 262, 328, 512, 524, 656, 1024, 1048, 1312, 2048, 2096, 2624, 4096, 4192, 5248, 5371, 8384, 10496, 10742, 16768, 20992, 21484, 33536, 41984, 42968, 67072, 83968, 85936, 134144, 167936, 171872, 268288, 343744, 536576, 687488, 1374976, 2749952, 5499904, 10999808, 21999616]

約数ペア:

[(1, 21999616), (2, 10999808), (4, 5499904), (8, 2749952), (16, 1374976), (32, 687488), (41, 536576), (64, 343744), (82, 268288), (128, 171872), (131, 167936), (164, 134144), (256, 85936), (262, 83968), (328, 67072), (512, 42968), (524, 41984), (656, 33536), (1024, 21484), (1048, 20992), (1312, 16768), (2048, 10742), (2096, 10496), (2624, 8384), (4096, 5371), (4192, 5248)]