21637170

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{5591}}^1$

素因数の和:5647

約数の個数: 48

約数和(自身を含む): 57575232

約数和(自身を除く): 35938062

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 43, 45, 86, 90, 129, 215, 258, 387, 430, 645, 774, 1290, 1935, 3870, 5591, 11182, 16773, 27955, 33546, 50319, 55910, 83865, 100638, 167730, 240413, 251595, 480826, 503190, 721239, 1202065, 1442478, 2163717, 2404130, 3606195, 4327434, 7212390, 10818585, 21637170]

約数ペア:

[(1, 21637170), (2, 10818585), (3, 7212390), (5, 4327434), (6, 3606195), (9, 2404130), (10, 2163717), (15, 1442478), (18, 1202065), (30, 721239), (43, 503190), (45, 480826), (86, 251595), (90, 240413), (129, 167730), (215, 100638), (258, 83865), (387, 55910), (430, 50319), (645, 33546), (774, 27955), (1290, 16773), (1935, 11182), (3870, 5591)]