21570864

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1493}}^1$

素因数の和:1554

約数の個数: 80

約数和(自身を含む): 65210112

約数和(自身を除く): 43639248

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 43, 48, 56, 84, 86, 112, 129, 168, 172, 258, 301, 336, 344, 516, 602, 688, 903, 1032, 1204, 1493, 1806, 2064, 2408, 2986, 3612, 4479, 4816, 5972, 7224, 8958, 10451, 11944, 14448, 17916, 20902, 23888, 31353, 35832, 41804, 62706, 64199, 71664, 83608, 125412, 128398, 167216, 192597, 250824, 256796, 385194, 449393, 501648, 513592, 770388, 898786, 1027184, 1348179, 1540776, 1797572, 2696358, 3081552, 3595144, 5392716, 7190288, 10785432, 21570864]

約数ペア:

[(1, 21570864), (2, 10785432), (3, 7190288), (4, 5392716), (6, 3595144), (7, 3081552), (8, 2696358), (12, 1797572), (14, 1540776), (16, 1348179), (21, 1027184), (24, 898786), (28, 770388), (42, 513592), (43, 501648), (48, 449393), (56, 385194), (84, 256796), (86, 250824), (112, 192597), (129, 167216), (168, 128398), (172, 125412), (258, 83608), (301, 71664), (336, 64199), (344, 62706), (516, 41804), (602, 35832), (688, 31353), (903, 23888), (1032, 20902), (1204, 17916), (1493, 14448), (1806, 11944), (2064, 10451), (2408, 8958), (2986, 7224), (3612, 5972), (4479, 4816)]