21917387772

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{157}}^1\times {\mathrm{79139}}^1$

素因数の和:79320

約数の個数: 108

約数和(自身を含む): 64858870440

約数和(自身を除く): 42941482668

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 157, 196, 252, 294, 314, 441, 471, 588, 628, 882, 942, 1099, 1413, 1764, 1884, 2198, 2826, 3297, 4396, 5652, 6594, 7693, 9891, 13188, 15386, 19782, 23079, 30772, 39564, 46158, 69237, 79139, 92316, 138474, 158278, 237417, 276948, 316556, 474834, 553973, 712251, 949668, 1107946, 1424502, 1661919, 2215892, 2849004, 3323838, 3877811, 4985757, 6647676, 7755622, 9971514, 11633433, 12424823, 15511244, 19943028, 23266866, 24849646, 34900299, 37274469, 46533732, 49699292, 69800598, 74548938, 86973761, 111823407, 139601196, 149097876, 173947522, 223646814, 260921283, 347895044, 447293628, 521842566, 608816327, 782763849, 1043685132, 1217632654, 1565527698, 1826448981, 2435265308, 3131055396, 3652897962, 5479346943, 7305795924, 10958693886, 21917387772]

約数ペア:

[(1, 21917387772), (2, 10958693886), (3, 7305795924), (4, 5479346943), (6, 3652897962), (7, 3131055396), (9, 2435265308), (12, 1826448981), (14, 1565527698), (18, 1217632654), (21, 1043685132), (28, 782763849), (36, 608816327), (42, 521842566), (49, 447293628), (63, 347895044), (84, 260921283), (98, 223646814), (126, 173947522), (147, 149097876), (157, 139601196), (196, 111823407), (252, 86973761), (294, 74548938), (314, 69800598), (441, 49699292), (471, 46533732), (588, 37274469), (628, 34900299), (882, 24849646), (942, 23266866), (1099, 19943028), (1413, 15511244), (1764, 12424823), (1884, 11633433), (2198, 9971514), (2826, 7755622), (3297, 6647676), (4396, 4985757), (5652, 3877811), (6594, 3323838), (7693, 2849004), (9891, 2215892), (13188, 1661919), (15386, 1424502), (19782, 1107946), (23079, 949668), (30772, 712251), (39564, 553973), (46158, 474834), (69237, 316556), (79139, 276948), (92316, 237417), (138474, 158278)]