21862404

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{487}}^1$

素因数の和:569

約数の個数: 72

約数和(自身を含む): 58618560

約数和(自身を除く): 36756156

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 43, 58, 86, 87, 116, 129, 172, 174, 258, 261, 348, 387, 487, 516, 522, 774, 974, 1044, 1247, 1461, 1548, 1948, 2494, 2922, 3741, 4383, 4988, 5844, 7482, 8766, 11223, 14123, 14964, 17532, 20941, 22446, 28246, 41882, 42369, 44892, 56492, 62823, 83764, 84738, 125646, 127107, 169476, 188469, 251292, 254214, 376938, 508428, 607289, 753876, 1214578, 1821867, 2429156, 3643734, 5465601, 7287468, 10931202, 21862404]

約数ペア:

[(1, 21862404), (2, 10931202), (3, 7287468), (4, 5465601), (6, 3643734), (9, 2429156), (12, 1821867), (18, 1214578), (29, 753876), (36, 607289), (43, 508428), (58, 376938), (86, 254214), (87, 251292), (116, 188469), (129, 169476), (172, 127107), (174, 125646), (258, 84738), (261, 83764), (348, 62823), (387, 56492), (487, 44892), (516, 42369), (522, 41882), (774, 28246), (974, 22446), (1044, 20941), (1247, 17532), (1461, 14964), (1548, 14123), (1948, 11223), (2494, 8766), (2922, 7482), (3741, 5844), (4383, 4988)]