21689304

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{9931}}^1$

素因数の和:9960

約数の個数: 64

約数和(自身を含む): 66743040

約数和(自身を除く): 45053736

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 78, 84, 91, 104, 156, 168, 182, 273, 312, 364, 546, 728, 1092, 2184, 9931, 19862, 29793, 39724, 59586, 69517, 79448, 119172, 129103, 139034, 208551, 238344, 258206, 278068, 387309, 417102, 516412, 556136, 774618, 834204, 903721, 1032824, 1549236, 1668408, 1807442, 2711163, 3098472, 3614884, 5422326, 7229768, 10844652, 21689304]

約数ペア:

[(1, 21689304), (2, 10844652), (3, 7229768), (4, 5422326), (6, 3614884), (7, 3098472), (8, 2711163), (12, 1807442), (13, 1668408), (14, 1549236), (21, 1032824), (24, 903721), (26, 834204), (28, 774618), (39, 556136), (42, 516412), (52, 417102), (56, 387309), (78, 278068), (84, 258206), (91, 238344), (104, 208551), (156, 139034), (168, 129103), (182, 119172), (273, 79448), (312, 69517), (364, 59586), (546, 39724), (728, 29793), (1092, 19862), (2184, 9931)]