21601160

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:235

約数の個数: 96

約数和(自身を含む): 57620160

約数和(自身を除く): 36019000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 103, 107, 140, 196, 206, 214, 245, 280, 392, 412, 428, 490, 515, 535, 721, 749, 824, 856, 980, 1030, 1070, 1442, 1498, 1960, 2060, 2140, 2884, 2996, 3605, 3745, 4120, 4280, 5047, 5243, 5768, 5992, 7210, 7490, 10094, 10486, 11021, 14420, 14980, 20188, 20972, 22042, 25235, 26215, 28840, 29960, 40376, 41944, 44084, 50470, 52430, 55105, 77147, 88168, 100940, 104860, 110210, 154294, 201880, 209720, 220420, 308588, 385735, 440840, 540029, 617176, 771470, 1080058, 1542940, 2160116, 2700145, 3085880, 4320232, 5400290, 10800580, 21601160]

約数ペア:

[(1, 21601160), (2, 10800580), (4, 5400290), (5, 4320232), (7, 3085880), (8, 2700145), (10, 2160116), (14, 1542940), (20, 1080058), (28, 771470), (35, 617176), (40, 540029), (49, 440840), (56, 385735), (70, 308588), (98, 220420), (103, 209720), (107, 201880), (140, 154294), (196, 110210), (206, 104860), (214, 100940), (245, 88168), (280, 77147), (392, 55105), (412, 52430), (428, 50470), (490, 44084), (515, 41944), (535, 40376), (721, 29960), (749, 28840), (824, 26215), (856, 25235), (980, 22042), (1030, 20972), (1070, 20188), (1442, 14980), (1498, 14420), (1960, 11021), (2060, 10486), (2140, 10094), (2884, 7490), (2996, 7210), (3605, 5992), (3745, 5768), (4120, 5243), (4280, 5047)]