21500908

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37589}}^1$

素因数の和:37617

約数の個数: 24

約数和(自身を含む): 44205840

約数和(自身を除く): 22704932

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 37589, 75178, 150356, 413479, 488657, 826958, 977314, 1653916, 1954628, 5375227, 10750454, 21500908]

約数ペア:

[(1, 21500908), (2, 10750454), (4, 5375227), (11, 1954628), (13, 1653916), (22, 977314), (26, 826958), (44, 488657), (52, 413479), (143, 150356), (286, 75178), (572, 37589)]