21000895524

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{2032607}}^1$

素因数の和:2032665

約数の個数: 72

約数和(自身を含む): 62149022208

約数和(自身を除く): 41148126684

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 41, 42, 63, 82, 84, 123, 126, 164, 246, 252, 287, 369, 492, 574, 738, 861, 1148, 1476, 1722, 2583, 3444, 5166, 10332, 2032607, 4065214, 6097821, 8130428, 12195642, 14228249, 18293463, 24391284, 28456498, 36586926, 42684747, 56912996, 73173852, 83336887, 85369494, 128054241, 166673774, 170738988, 250010661, 256108482, 333347548, 500021322, 512216964, 583358209, 750031983, 1000042644, 1166716418, 1500063966, 1750074627, 2333432836, 3000127932, 3500149254, 5250223881, 7000298508, 10500447762, 21000895524]

約数ペア:

[(1, 21000895524), (2, 10500447762), (3, 7000298508), (4, 5250223881), (6, 3500149254), (7, 3000127932), (9, 2333432836), (12, 1750074627), (14, 1500063966), (18, 1166716418), (21, 1000042644), (28, 750031983), (36, 583358209), (41, 512216964), (42, 500021322), (63, 333347548), (82, 256108482), (84, 250010661), (123, 170738988), (126, 166673774), (164, 128054241), (246, 85369494), (252, 83336887), (287, 73173852), (369, 56912996), (492, 42684747), (574, 36586926), (738, 28456498), (861, 24391284), (1148, 18293463), (1476, 14228249), (1722, 12195642), (2583, 8130428), (3444, 6097821), (5166, 4065214), (10332, 2032607)]