21182260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{8753}}^1$

素因数の和:8784

約数の個数: 36

約数和(自身を含む): 48899844

約数和(自身を除く): 27717584

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 8753, 17506, 35012, 43765, 87530, 96283, 175060, 192566, 385132, 481415, 962830, 1059113, 1925660, 2118226, 4236452, 5295565, 10591130, 21182260]

約数ペア:

[(1, 21182260), (2, 10591130), (4, 5295565), (5, 4236452), (10, 2118226), (11, 1925660), (20, 1059113), (22, 962830), (44, 481415), (55, 385132), (110, 192566), (121, 175060), (220, 96283), (242, 87530), (484, 43765), (605, 35012), (1210, 17506), (2420, 8753)]