21095526176

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{172259}}^1$

素因数の和:172401

約数の個数: 48

約数和(自身を含む): 42975424800

約数和(自身を除く): 21879898624

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 89, 172, 178, 344, 356, 688, 712, 1376, 1424, 2848, 3827, 7654, 15308, 30616, 61232, 122464, 172259, 344518, 689036, 1378072, 2756144, 5512288, 7407137, 14814274, 15331051, 29628548, 30662102, 59257096, 61324204, 118514192, 122648408, 237028384, 245296816, 490593632, 659235193, 1318470386, 2636940772, 5273881544, 10547763088, 21095526176]

約数ペア:

[(1, 21095526176), (2, 10547763088), (4, 5273881544), (8, 2636940772), (16, 1318470386), (32, 659235193), (43, 490593632), (86, 245296816), (89, 237028384), (172, 122648408), (178, 118514192), (344, 61324204), (356, 59257096), (688, 30662102), (712, 29628548), (1376, 15331051), (1424, 14814274), (2848, 7407137), (3827, 5512288), (7654, 2756144), (15308, 1378072), (30616, 689036), (61232, 344518), (122464, 172259)]