21066039358

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{2823109}}^1$

素因数の和:2823172

約数の個数: 32

約数和(自身を含む): 39839728320

約数和(自身を除く): 18773688962

約数列:

[1, 2, 7, 13, 14, 26, 41, 82, 91, 182, 287, 533, 574, 1066, 3731, 7462, 2823109, 5646218, 19761763, 36700417, 39523526, 73400834, 115747469, 231494938, 256902919, 513805838, 810232283, 1504717097, 1620464566, 3009434194, 10533019679, 21066039358]

約数ペア:

[(1, 21066039358), (2, 10533019679), (7, 3009434194), (13, 1620464566), (14, 1504717097), (26, 810232283), (41, 513805838), (82, 256902919), (91, 231494938), (182, 115747469), (287, 73400834), (533, 39523526), (574, 36700417), (1066, 19761763), (3731, 5646218), (7462, 2823109)]