21653772

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{257783}}^1$

素因数の和:257797

約数の個数: 24

約数和(自身を含む): 57743616

約数和(自身を除く): 36089844

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 257783, 515566, 773349, 1031132, 1546698, 1804481, 3093396, 3608962, 5413443, 7217924, 10826886, 21653772]

約数ペア:

[(1, 21653772), (2, 10826886), (3, 7217924), (4, 5413443), (6, 3608962), (7, 3093396), (12, 1804481), (14, 1546698), (21, 1031132), (28, 773349), (42, 515566), (84, 257783)]