21551178012

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19735511}}^1$

素因数の和:19735538

約数の個数: 48

約数和(自身を含む): 61890565632

約数和(自身を除く): 40339387620

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 182, 273, 364, 546, 1092, 19735511, 39471022, 59206533, 78942044, 118413066, 138148577, 236826132, 256561643, 276297154, 414445731, 513123286, 552594308, 769684929, 828891462, 1026246572, 1539369858, 1657782924, 1795931501, 3078739716, 3591863002, 5387794503, 7183726004, 10775589006, 21551178012]

約数ペア:

[(1, 21551178012), (2, 10775589006), (3, 7183726004), (4, 5387794503), (6, 3591863002), (7, 3078739716), (12, 1795931501), (13, 1657782924), (14, 1539369858), (21, 1026246572), (26, 828891462), (28, 769684929), (39, 552594308), (42, 513123286), (52, 414445731), (78, 276297154), (84, 256561643), (91, 236826132), (156, 138148577), (182, 118413066), (273, 78942044), (364, 59206533), (546, 39471022), (1092, 19735511)]