21160503

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{3691}}^1$

素因数の和:3724

約数の個数: 36

約数和(自身を含む): 38300808

約数和(自身を除く): 17140305

約数列:

[1, 3, 7, 9, 13, 21, 39, 49, 63, 91, 117, 147, 273, 441, 637, 819, 1911, 3691, 5733, 11073, 25837, 33219, 47983, 77511, 143949, 180859, 232533, 335881, 431847, 542577, 1007643, 1627731, 2351167, 3022929, 7053501, 21160503]

約数ペア:

[(1, 21160503), (3, 7053501), (7, 3022929), (9, 2351167), (13, 1627731), (21, 1007643), (39, 542577), (49, 431847), (63, 335881), (91, 232533), (117, 180859), (147, 143949), (273, 77511), (441, 47983), (637, 33219), (819, 25837), (1911, 11073), (3691, 5733)]