21296756

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{11069}}^1$

素因数の和:11123

約数の個数: 24

約数和(自身を含む): 41224680

約数和(自身を除く): 19927924

約数列:

[1, 2, 4, 13, 26, 37, 52, 74, 148, 481, 962, 1924, 11069, 22138, 44276, 143897, 287794, 409553, 575588, 819106, 1638212, 5324189, 10648378, 21296756]

約数ペア:

[(1, 21296756), (2, 10648378), (4, 5324189), (13, 1638212), (26, 819106), (37, 575588), (52, 409553), (74, 287794), (148, 143897), (481, 44276), (962, 22138), (1924, 11069)]