21633381

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:127

約数の個数: 96

約数和(自身を含む): 43130880

約数和(自身を除く): 21497499

約数列:

[1, 3, 7, 9, 11, 19, 21, 31, 33, 53, 57, 63, 77, 93, 99, 133, 159, 171, 209, 217, 231, 279, 341, 371, 399, 477, 583, 589, 627, 651, 693, 1007, 1023, 1113, 1197, 1463, 1643, 1749, 1767, 1881, 1953, 2387, 3021, 3069, 3339, 4081, 4123, 4389, 4929, 5247, 5301, 6479, 7049, 7161, 9063, 11077, 11501, 12243, 12369, 13167, 14787, 18073, 19437, 21147, 21483, 31217, 33231, 34503, 36729, 37107, 45353, 54219, 58311, 63441, 77539, 93651, 99693, 103509, 126511, 136059, 162657, 218519, 232617, 280953, 343387, 379533, 408177, 655557, 697851, 1030161, 1138599, 1966671, 2403709, 3090483, 7211127, 21633381]

約数ペア:

[(1, 21633381), (3, 7211127), (7, 3090483), (9, 2403709), (11, 1966671), (19, 1138599), (21, 1030161), (31, 697851), (33, 655557), (53, 408177), (57, 379533), (63, 343387), (77, 280953), (93, 232617), (99, 218519), (133, 162657), (159, 136059), (171, 126511), (209, 103509), (217, 99693), (231, 93651), (279, 77539), (341, 63441), (371, 58311), (399, 54219), (477, 45353), (583, 37107), (589, 36729), (627, 34503), (651, 33231), (693, 31217), (1007, 21483), (1023, 21147), (1113, 19437), (1197, 18073), (1463, 14787), (1643, 13167), (1749, 12369), (1767, 12243), (1881, 11501), (1953, 11077), (2387, 9063), (3021, 7161), (3069, 7049), (3339, 6479), (4081, 5301), (4123, 5247), (4389, 4929)]