21687336

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{197}}^1$

素因数の和:359

約数の個数: 96

約数和(自身を含む): 64864800

約数和(自身を除く): 43177464

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 33, 36, 44, 66, 72, 88, 99, 132, 139, 197, 198, 264, 278, 394, 396, 417, 556, 591, 788, 792, 834, 1112, 1182, 1251, 1529, 1576, 1668, 1773, 2167, 2364, 2502, 3058, 3336, 3546, 4334, 4587, 4728, 5004, 6116, 6501, 7092, 8668, 9174, 10008, 12232, 13002, 13761, 14184, 17336, 18348, 19503, 26004, 27383, 27522, 36696, 39006, 52008, 54766, 55044, 78012, 82149, 109532, 110088, 156024, 164298, 219064, 246447, 301213, 328596, 492894, 602426, 657192, 903639, 985788, 1204852, 1807278, 1971576, 2409704, 2710917, 3614556, 5421834, 7229112, 10843668, 21687336]

約数ペア:

[(1, 21687336), (2, 10843668), (3, 7229112), (4, 5421834), (6, 3614556), (8, 2710917), (9, 2409704), (11, 1971576), (12, 1807278), (18, 1204852), (22, 985788), (24, 903639), (33, 657192), (36, 602426), (44, 492894), (66, 328596), (72, 301213), (88, 246447), (99, 219064), (132, 164298), (139, 156024), (197, 110088), (198, 109532), (264, 82149), (278, 78012), (394, 55044), (396, 54766), (417, 52008), (556, 39006), (591, 36696), (788, 27522), (792, 27383), (834, 26004), (1112, 19503), (1182, 18348), (1251, 17336), (1529, 14184), (1576, 13761), (1668, 13002), (1773, 12232), (2167, 10008), (2364, 9174), (2502, 8668), (3058, 7092), (3336, 6501), (3546, 6116), (4334, 5004), (4587, 4728)]