21583276

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{389}}^1$

素因数の和:514

約数の個数: 48

約数和(自身を含む): 44946720

約数和(自身を除く): 23363444

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 97, 143, 194, 286, 388, 389, 572, 778, 1067, 1261, 1556, 2134, 2522, 4268, 4279, 5044, 5057, 8558, 10114, 13871, 17116, 20228, 27742, 37733, 55484, 55627, 75466, 111254, 150932, 222508, 415063, 490529, 830126, 981058, 1660252, 1962116, 5395819, 10791638, 21583276]

約数ペア:

[(1, 21583276), (2, 10791638), (4, 5395819), (11, 1962116), (13, 1660252), (22, 981058), (26, 830126), (44, 490529), (52, 415063), (97, 222508), (143, 150932), (194, 111254), (286, 75466), (388, 55627), (389, 55484), (572, 37733), (778, 27742), (1067, 20228), (1261, 17116), (1556, 13871), (2134, 10114), (2522, 8558), (4268, 5057), (4279, 5044)]