21690570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{65729}}^1$

素因数の和:65750

約数の個数: 32

約数和(自身を含む): 56790720

約数和(自身を除く): 35100150

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 330, 65729, 131458, 197187, 328645, 394374, 657290, 723019, 985935, 1446038, 1971870, 2169057, 3615095, 4338114, 7230190, 10845285, 21690570]

約数ペア:

[(1, 21690570), (2, 10845285), (3, 7230190), (5, 4338114), (6, 3615095), (10, 2169057), (11, 1971870), (15, 1446038), (22, 985935), (30, 723019), (33, 657290), (55, 394374), (66, 328645), (110, 197187), (165, 131458), (330, 65729)]