21880110

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3361}}^1$

素因数の和:3409

約数の個数: 64

約数和(自身を含む): 61968384

約数和(自身を除く): 40088274

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 31, 35, 42, 62, 70, 93, 105, 155, 186, 210, 217, 310, 434, 465, 651, 930, 1085, 1302, 2170, 3255, 3361, 6510, 6722, 10083, 16805, 20166, 23527, 33610, 47054, 50415, 70581, 100830, 104191, 117635, 141162, 208382, 235270, 312573, 352905, 520955, 625146, 705810, 729337, 1041910, 1458674, 1562865, 2188011, 3125730, 3646685, 4376022, 7293370, 10940055, 21880110]

約数ペア:

[(1, 21880110), (2, 10940055), (3, 7293370), (5, 4376022), (6, 3646685), (7, 3125730), (10, 2188011), (14, 1562865), (15, 1458674), (21, 1041910), (30, 729337), (31, 705810), (35, 625146), (42, 520955), (62, 352905), (70, 312573), (93, 235270), (105, 208382), (155, 141162), (186, 117635), (210, 104191), (217, 100830), (310, 70581), (434, 50415), (465, 47054), (651, 33610), (930, 23527), (1085, 20166), (1302, 16805), (2170, 10083), (3255, 6722), (3361, 6510)]