21174868

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37019}}^1$

素因数の和:37047

約数の個数: 24

約数和(自身を含む): 43535520

約数和(自身を除く): 22360652

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 37019, 74038, 148076, 407209, 481247, 814418, 962494, 1628836, 1924988, 5293717, 10587434, 21174868]

約数ペア:

[(1, 21174868), (2, 10587434), (4, 5293717), (11, 1924988), (13, 1628836), (22, 962494), (26, 814418), (44, 481247), (52, 407209), (143, 148076), (286, 74038), (572, 37019)]