21515200

素因数分解:

$2^6\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1$

素因数の和:159

約数の個数: 168

約数和(自身を含む): 64629792

約数和(自身を除く): 43114592

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 25, 28, 32, 34, 35, 40, 50, 56, 64, 68, 70, 80, 85, 100, 112, 113, 119, 136, 140, 160, 170, 175, 200, 224, 226, 238, 272, 280, 320, 340, 350, 400, 425, 448, 452, 476, 544, 560, 565, 595, 680, 700, 791, 800, 850, 904, 952, 1088, 1120, 1130, 1190, 1360, 1400, 1582, 1600, 1700, 1808, 1904, 1921, 2240, 2260, 2380, 2720, 2800, 2825, 2975, 3164, 3400, 3616, 3808, 3842, 3955, 4520, 4760, 5440, 5600, 5650, 5950, 6328, 6800, 7232, 7616, 7684, 7910, 9040, 9520, 9605, 11200, 11300, 11900, 12656, 13447, 13600, 15368, 15820, 18080, 19040, 19210, 19775, 22600, 23800, 25312, 26894, 27200, 30736, 31640, 36160, 38080, 38420, 39550, 45200, 47600, 48025, 50624, 53788, 61472, 63280, 67235, 76840, 79100, 90400, 95200, 96050, 107576, 122944, 126560, 134470, 153680, 158200, 180800, 190400, 192100, 215152, 253120, 268940, 307360, 316400, 336175, 384200, 430304, 537880, 614720, 632800, 672350, 768400, 860608, 1075760, 1265600, 1344700, 1536800, 2151520, 2689400, 3073600, 4303040, 5378800, 10757600, 21515200]

約数ペア:

[(1, 21515200), (2, 10757600), (4, 5378800), (5, 4303040), (7, 3073600), (8, 2689400), (10, 2151520), (14, 1536800), (16, 1344700), (17, 1265600), (20, 1075760), (25, 860608), (28, 768400), (32, 672350), (34, 632800), (35, 614720), (40, 537880), (50, 430304), (56, 384200), (64, 336175), (68, 316400), (70, 307360), (80, 268940), (85, 253120), (100, 215152), (112, 192100), (113, 190400), (119, 180800), (136, 158200), (140, 153680), (160, 134470), (170, 126560), (175, 122944), (200, 107576), (224, 96050), (226, 95200), (238, 90400), (272, 79100), (280, 76840), (320, 67235), (340, 63280), (350, 61472), (400, 53788), (425, 50624), (448, 48025), (452, 47600), (476, 45200), (544, 39550), (560, 38420), (565, 38080), (595, 36160), (680, 31640), (700, 30736), (791, 27200), (800, 26894), (850, 25312), (904, 23800), (952, 22600), (1088, 19775), (1120, 19210), (1130, 19040), (1190, 18080), (1360, 15820), (1400, 15368), (1582, 13600), (1600, 13447), (1700, 12656), (1808, 11900), (1904, 11300), (1921, 11200), (2240, 9605), (2260, 9520), (2380, 9040), (2720, 7910), (2800, 7684), (2825, 7616), (2975, 7232), (3164, 6800), (3400, 6328), (3616, 5950), (3808, 5650), (3842, 5600), (3955, 5440), (4520, 4760)]