21587706

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{2347}}^1$

素因数の和:2435

約数の個数: 48

約数和(自身を含む): 54210624

約数和(自身を除く): 32622918

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 73, 126, 146, 219, 438, 511, 657, 1022, 1314, 1533, 2347, 3066, 4599, 4694, 7041, 9198, 14082, 16429, 21123, 32858, 42246, 49287, 98574, 147861, 171331, 295722, 342662, 513993, 1027986, 1199317, 1541979, 2398634, 3083958, 3597951, 7195902, 10793853, 21587706]

約数ペア:

[(1, 21587706), (2, 10793853), (3, 7195902), (6, 3597951), (7, 3083958), (9, 2398634), (14, 1541979), (18, 1199317), (21, 1027986), (42, 513993), (63, 342662), (73, 295722), (126, 171331), (146, 147861), (219, 98574), (438, 49287), (511, 42246), (657, 32858), (1022, 21123), (1314, 16429), (1533, 14082), (2347, 9198), (3066, 7041), (4599, 4694)]