21046140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{116923}}^1$

素因数の和:116938

約数の個数: 36

約数和(自身を含む): 63840504

約数和(自身を除く): 42794364

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 116923, 233846, 350769, 467692, 584615, 701538, 1052307, 1169230, 1403076, 1753845, 2104614, 2338460, 3507690, 4209228, 5261535, 7015380, 10523070, 21046140]

約数ペア:

[(1, 21046140), (2, 10523070), (3, 7015380), (4, 5261535), (5, 4209228), (6, 3507690), (9, 2338460), (10, 2104614), (12, 1753845), (15, 1403076), (18, 1169230), (20, 1052307), (30, 701538), (36, 584615), (45, 467692), (60, 350769), (90, 233846), (180, 116923)]