21000194688

素因数分解:

$2^7\times 3^1\times {\mathrm{11}}^2\times {\mathrm{451967}}^1$

素因数の和:452006

約数の個数: 96

約数和(自身を含む): 61313978880

約数和(自身を除く): 40313784192

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 48, 64, 66, 88, 96, 121, 128, 132, 176, 192, 242, 264, 352, 363, 384, 484, 528, 704, 726, 968, 1056, 1408, 1452, 1936, 2112, 2904, 3872, 4224, 5808, 7744, 11616, 15488, 23232, 46464, 451967, 903934, 1355901, 1807868, 2711802, 3615736, 4971637, 5423604, 7231472, 9943274, 10847208, 14462944, 14914911, 19886548, 21694416, 28925888, 29829822, 39773096, 43388832, 54688007, 57851776, 59659644, 79546192, 86777664, 109376014, 119319288, 159092384, 164064021, 173555328, 218752028, 238638576, 318184768, 328128042, 437504056, 477277152, 636369536, 656256084, 875008112, 954554304, 1312512168, 1750016224, 1909108608, 2625024336, 3500032448, 5250048672, 7000064896, 10500097344, 21000194688]

約数ペア:

[(1, 21000194688), (2, 10500097344), (3, 7000064896), (4, 5250048672), (6, 3500032448), (8, 2625024336), (11, 1909108608), (12, 1750016224), (16, 1312512168), (22, 954554304), (24, 875008112), (32, 656256084), (33, 636369536), (44, 477277152), (48, 437504056), (64, 328128042), (66, 318184768), (88, 238638576), (96, 218752028), (121, 173555328), (128, 164064021), (132, 159092384), (176, 119319288), (192, 109376014), (242, 86777664), (264, 79546192), (352, 59659644), (363, 57851776), (384, 54688007), (484, 43388832), (528, 39773096), (704, 29829822), (726, 28925888), (968, 21694416), (1056, 19886548), (1408, 14914911), (1452, 14462944), (1936, 10847208), (2112, 9943274), (2904, 7231472), (3872, 5423604), (4224, 4971637), (5808, 3615736), (7744, 2711802), (11616, 1807868), (15488, 1355901), (23232, 903934), (46464, 451967)]