21167882964

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{683}}^1\times {\mathrm{20021}}^1$

素因数の和:20757

約数の個数: 72

約数和(自身を含む): 54834972192

約数和(自身を除く): 33667089228

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 516, 683, 774, 1366, 1548, 2049, 2732, 4098, 6147, 8196, 12294, 20021, 24588, 29369, 40042, 58738, 60063, 80084, 88107, 117476, 120126, 176214, 180189, 240252, 264321, 352428, 360378, 528642, 720756, 860903, 1057284, 1721806, 2582709, 3443612, 5165418, 7748127, 10330836, 13674343, 15496254, 27348686, 30992508, 41023029, 54697372, 82046058, 123069087, 164092116, 246138174, 492276348, 587996749, 1175993498, 1763990247, 2351986996, 3527980494, 5291970741, 7055960988, 10583941482, 21167882964]

約数ペア:

[(1, 21167882964), (2, 10583941482), (3, 7055960988), (4, 5291970741), (6, 3527980494), (9, 2351986996), (12, 1763990247), (18, 1175993498), (36, 587996749), (43, 492276348), (86, 246138174), (129, 164092116), (172, 123069087), (258, 82046058), (387, 54697372), (516, 41023029), (683, 30992508), (774, 27348686), (1366, 15496254), (1548, 13674343), (2049, 10330836), (2732, 7748127), (4098, 5165418), (6147, 3443612), (8196, 2582709), (12294, 1721806), (20021, 1057284), (24588, 860903), (29369, 720756), (40042, 528642), (58738, 360378), (60063, 352428), (80084, 264321), (88107, 240252), (117476, 180189), (120126, 176214)]