21787132318

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{7243}}^1\times {\mathrm{5807}}^1$

素因数の和:13096

約数の個数: 32

約数和(自身を含む): 38370714624

約数和(自身を除く): 16583582306

約数列:

[1, 2, 7, 14, 37, 74, 259, 518, 5807, 7243, 11614, 14486, 40649, 50701, 81298, 101402, 214859, 267991, 429718, 535982, 1504013, 1875937, 3008026, 3751874, 42060101, 84120202, 294420707, 588841414, 1556223737, 3112447474, 10893566159, 21787132318]

約数ペア:

[(1, 21787132318), (2, 10893566159), (7, 3112447474), (14, 1556223737), (37, 588841414), (74, 294420707), (259, 84120202), (518, 42060101), (5807, 3751874), (7243, 3008026), (11614, 1875937), (14486, 1504013), (40649, 535982), (50701, 429718), (81298, 267991), (101402, 214859)]