21000304836

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{12451}}^1$

素因数の和:12591

約数の個数: 192

約数和(自身を含む): 65603112960

約数和(自身を除く): 44602808124

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 27, 28, 36, 42, 46, 54, 63, 69, 84, 92, 97, 108, 126, 138, 161, 189, 194, 207, 252, 276, 291, 322, 378, 388, 414, 483, 582, 621, 644, 679, 756, 828, 873, 966, 1164, 1242, 1358, 1449, 1746, 1932, 2037, 2231, 2484, 2619, 2716, 2898, 3492, 4074, 4347, 4462, 5238, 5796, 6111, 6693, 8148, 8694, 8924, 10476, 12222, 12451, 13386, 15617, 17388, 18333, 20079, 24444, 24902, 26772, 31234, 36666, 37353, 40158, 46851, 49804, 60237, 62468, 73332, 74706, 80316, 87157, 93702, 112059, 120474, 140553, 149412, 174314, 187404, 224118, 240948, 261471, 281106, 286373, 336177, 348628, 421659, 448236, 522942, 562212, 572746, 672354, 784413, 843318, 859119, 1045884, 1145492, 1207747, 1344708, 1568826, 1686636, 1718238, 2004611, 2353239, 2415494, 2577357, 3137652, 3436476, 3623241, 4009222, 4706478, 4830988, 5154714, 6013833, 7246482, 7732071, 8018444, 8454229, 9412956, 10309428, 10869723, 12027666, 14492964, 15464142, 16908458, 18041499, 21739446, 24055332, 25362687, 27778181, 30928284, 32609169, 33816916, 36082998, 43478892, 50725374, 54124497, 55556362, 65218338, 72165996, 76088061, 83334543, 101450748, 108248994, 111112724, 130436676, 152176122, 166669086, 194447267, 216497988, 228264183, 250003629, 304352244, 333338172, 388894534, 456528366, 500007258, 583341801, 750010887, 777789068, 913056732, 1000014516, 1166683602, 1500021774, 1750025403, 2333367204, 3000043548, 3500050806, 5250076209, 7000101612, 10500152418, 21000304836]

約数ペア:

[(1, 21000304836), (2, 10500152418), (3, 7000101612), (4, 5250076209), (6, 3500050806), (7, 3000043548), (9, 2333367204), (12, 1750025403), (14, 1500021774), (18, 1166683602), (21, 1000014516), (23, 913056732), (27, 777789068), (28, 750010887), (36, 583341801), (42, 500007258), (46, 456528366), (54, 388894534), (63, 333338172), (69, 304352244), (84, 250003629), (92, 228264183), (97, 216497988), (108, 194447267), (126, 166669086), (138, 152176122), (161, 130436676), (189, 111112724), (194, 108248994), (207, 101450748), (252, 83334543), (276, 76088061), (291, 72165996), (322, 65218338), (378, 55556362), (388, 54124497), (414, 50725374), (483, 43478892), (582, 36082998), (621, 33816916), (644, 32609169), (679, 30928284), (756, 27778181), (828, 25362687), (873, 24055332), (966, 21739446), (1164, 18041499), (1242, 16908458), (1358, 15464142), (1449, 14492964), (1746, 12027666), (1932, 10869723), (2037, 10309428), (2231, 9412956), (2484, 8454229), (2619, 8018444), (2716, 7732071), (2898, 7246482), (3492, 6013833), (4074, 5154714), (4347, 4830988), (4462, 4706478), (5238, 4009222), (5796, 3623241), (6111, 3436476), (6693, 3137652), (8148, 2577357), (8694, 2415494), (8924, 2353239), (10476, 2004611), (12222, 1718238), (12451, 1686636), (13386, 1568826), (15617, 1344708), (17388, 1207747), (18333, 1145492), (20079, 1045884), (24444, 859119), (24902, 843318), (26772, 784413), (31234, 672354), (36666, 572746), (37353, 562212), (40158, 522942), (46851, 448236), (49804, 421659), (60237, 348628), (62468, 336177), (73332, 286373), (74706, 281106), (80316, 261471), (87157, 240948), (93702, 224118), (112059, 187404), (120474, 174314), (140553, 149412)]