21189570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{11579}}^1$

素因数の和:11650

約数の個数: 32

約数和(自身を含む): 51693120

約数和(自身を除く): 30503550

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 61, 122, 183, 305, 366, 610, 915, 1830, 11579, 23158, 34737, 57895, 69474, 115790, 173685, 347370, 706319, 1412638, 2118957, 3531595, 4237914, 7063190, 10594785, 21189570]

約数ペア:

[(1, 21189570), (2, 10594785), (3, 7063190), (5, 4237914), (6, 3531595), (10, 2118957), (15, 1412638), (30, 706319), (61, 347370), (122, 173685), (183, 115790), (305, 69474), (366, 57895), (610, 34737), (915, 23158), (1830, 11579)]