21095160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{367}}^1\times {\mathrm{479}}^1$

素因数の和:860

約数の個数: 64

約数和(自身を含む): 63590400

約数和(自身を除く): 42495240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 367, 479, 734, 958, 1101, 1437, 1468, 1835, 1916, 2202, 2395, 2874, 2936, 3670, 3832, 4404, 4790, 5505, 5748, 7185, 7340, 8808, 9580, 11010, 11496, 14370, 14680, 19160, 22020, 28740, 44040, 57480, 175793, 351586, 527379, 703172, 878965, 1054758, 1406344, 1757930, 2109516, 2636895, 3515860, 4219032, 5273790, 7031720, 10547580, 21095160]

約数ペア:

[(1, 21095160), (2, 10547580), (3, 7031720), (4, 5273790), (5, 4219032), (6, 3515860), (8, 2636895), (10, 2109516), (12, 1757930), (15, 1406344), (20, 1054758), (24, 878965), (30, 703172), (40, 527379), (60, 351586), (120, 175793), (367, 57480), (479, 44040), (734, 28740), (958, 22020), (1101, 19160), (1437, 14680), (1468, 14370), (1835, 11496), (1916, 11010), (2202, 9580), (2395, 8808), (2874, 7340), (2936, 7185), (3670, 5748), (3832, 5505), (4404, 4790)]