21262527

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{5507}}^1$

素因数の和:5540

約数の個数: 32

約数和(自身を含む): 37013760

約数和(自身を除く): 15751233

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 99, 117, 143, 297, 351, 429, 1287, 3861, 5507, 16521, 49563, 60577, 71591, 148689, 181731, 214773, 545193, 644319, 787501, 1635579, 1932957, 2362503, 7087509, 21262527]

約数ペア:

[(1, 21262527), (3, 7087509), (9, 2362503), (11, 1932957), (13, 1635579), (27, 787501), (33, 644319), (39, 545193), (99, 214773), (117, 181731), (143, 148689), (297, 71591), (351, 60577), (429, 49563), (1287, 16521), (3861, 5507)]