21071490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{63853}}^1$

素因数の和:63874

約数の個数: 32

約数和(自身を含む): 55169856

約数和(自身を除く): 34098366

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 330, 63853, 127706, 191559, 319265, 383118, 638530, 702383, 957795, 1404766, 1915590, 2107149, 3511915, 4214298, 7023830, 10535745, 21071490]

約数ペア:

[(1, 21071490), (2, 10535745), (3, 7023830), (5, 4214298), (6, 3511915), (10, 2107149), (11, 1915590), (15, 1404766), (22, 957795), (30, 702383), (33, 638530), (55, 383118), (66, 319265), (110, 191559), (165, 127706), (330, 63853)]