21765401616

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{64777981}}^1$

素因数の和:64777999

約数の個数: 40

約数和(自身を含む): 64259758144

約数和(自身を除く): 42494356528

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 64777981, 129555962, 194333943, 259111924, 388667886, 453445867, 518223848, 777335772, 906891734, 1036447696, 1360337601, 1554671544, 1813783468, 2720675202, 3109343088, 3627566936, 5441350404, 7255133872, 10882700808, 21765401616]

約数ペア:

[(1, 21765401616), (2, 10882700808), (3, 7255133872), (4, 5441350404), (6, 3627566936), (7, 3109343088), (8, 2720675202), (12, 1813783468), (14, 1554671544), (16, 1360337601), (21, 1036447696), (24, 906891734), (28, 777335772), (42, 518223848), (48, 453445867), (56, 388667886), (84, 259111924), (112, 194333943), (168, 129555962), (336, 64777981)]