21554512

素因数分解:

$2^4\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1447}}^1$

素因数の和:1488

約数の個数: 60

約数和(自身を含む): 51172320

約数和(自身を除く): 29617808

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 49, 56, 76, 98, 112, 133, 152, 196, 266, 304, 392, 532, 784, 931, 1064, 1447, 1862, 2128, 2894, 3724, 5788, 7448, 10129, 11576, 14896, 20258, 23152, 27493, 40516, 54986, 70903, 81032, 109972, 141806, 162064, 192451, 219944, 283612, 384902, 439888, 567224, 769804, 1134448, 1347157, 1539608, 2694314, 3079216, 5388628, 10777256, 21554512]

約数ペア:

[(1, 21554512), (2, 10777256), (4, 5388628), (7, 3079216), (8, 2694314), (14, 1539608), (16, 1347157), (19, 1134448), (28, 769804), (38, 567224), (49, 439888), (56, 384902), (76, 283612), (98, 219944), (112, 192451), (133, 162064), (152, 141806), (196, 109972), (266, 81032), (304, 70903), (392, 54986), (532, 40516), (784, 27493), (931, 23152), (1064, 20258), (1447, 14896), (1862, 11576), (2128, 10129), (2894, 7448), (3724, 5788)]