21932872

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6803}}^1$

素因数の和:6853

約数の個数: 32

約数和(自身を含む): 45722880

約数和(自身を除く): 23790008

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 1612, 3224, 6803, 13606, 27212, 54424, 88439, 176878, 210893, 353756, 421786, 707512, 843572, 1687144, 2741609, 5483218, 10966436, 21932872]

約数ペア:

[(1, 21932872), (2, 10966436), (4, 5483218), (8, 2741609), (13, 1687144), (26, 843572), (31, 707512), (52, 421786), (62, 353756), (104, 210893), (124, 176878), (248, 88439), (403, 54424), (806, 27212), (1612, 13606), (3224, 6803)]