21855200

素因数分解:

$2^5\times 5^2\times {\mathrm{17}}^1\times {\mathrm{1607}}^1$

素因数の和:1644

約数の個数: 72

約数和(自身を含む): 56527632

約数和(自身を除く): 34672432

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 68, 80, 85, 100, 136, 160, 170, 200, 272, 340, 400, 425, 544, 680, 800, 850, 1360, 1607, 1700, 2720, 3214, 3400, 6428, 6800, 8035, 12856, 13600, 16070, 25712, 27319, 32140, 40175, 51424, 54638, 64280, 80350, 109276, 128560, 136595, 160700, 218552, 257120, 273190, 321400, 437104, 546380, 642800, 682975, 874208, 1092760, 1285600, 1365950, 2185520, 2731900, 4371040, 5463800, 10927600, 21855200]

約数ペア:

[(1, 21855200), (2, 10927600), (4, 5463800), (5, 4371040), (8, 2731900), (10, 2185520), (16, 1365950), (17, 1285600), (20, 1092760), (25, 874208), (32, 682975), (34, 642800), (40, 546380), (50, 437104), (68, 321400), (80, 273190), (85, 257120), (100, 218552), (136, 160700), (160, 136595), (170, 128560), (200, 109276), (272, 80350), (340, 64280), (400, 54638), (425, 51424), (544, 40175), (680, 32140), (800, 27319), (850, 25712), (1360, 16070), (1607, 13600), (1700, 12856), (2720, 8035), (3214, 6800), (3400, 6428)]