21061392

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{353}}^1$

素因数の和:488

約数の個数: 80

約数和(自身を含む): 60049728

約数和(自身を除く): 38988336

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 113, 132, 176, 226, 264, 339, 353, 452, 528, 678, 706, 904, 1059, 1243, 1356, 1412, 1808, 2118, 2486, 2712, 2824, 3729, 3883, 4236, 4972, 5424, 5648, 7458, 7766, 8472, 9944, 11649, 14916, 15532, 16944, 19888, 23298, 29832, 31064, 39889, 46596, 59664, 62128, 79778, 93192, 119667, 159556, 186384, 239334, 319112, 438779, 478668, 638224, 877558, 957336, 1316337, 1755116, 1914672, 2632674, 3510232, 5265348, 7020464, 10530696, 21061392]

約数ペア:

[(1, 21061392), (2, 10530696), (3, 7020464), (4, 5265348), (6, 3510232), (8, 2632674), (11, 1914672), (12, 1755116), (16, 1316337), (22, 957336), (24, 877558), (33, 638224), (44, 478668), (48, 438779), (66, 319112), (88, 239334), (113, 186384), (132, 159556), (176, 119667), (226, 93192), (264, 79778), (339, 62128), (353, 59664), (452, 46596), (528, 39889), (678, 31064), (706, 29832), (904, 23298), (1059, 19888), (1243, 16944), (1356, 15532), (1412, 14916), (1808, 11649), (2118, 9944), (2486, 8472), (2712, 7766), (2824, 7458), (3729, 5648), (3883, 5424), (4236, 4972)]