21827568

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{389}}^1$

素因数の和:574

約数の個数: 80

約数和(自身を含む): 64995840

約数和(自身を除く): 43168272

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 167, 168, 334, 336, 389, 501, 668, 778, 1002, 1167, 1169, 1336, 1556, 2004, 2334, 2338, 2672, 2723, 3112, 3507, 4008, 4668, 4676, 5446, 6224, 7014, 8016, 8169, 9336, 9352, 10892, 14028, 16338, 18672, 18704, 21784, 28056, 32676, 43568, 56112, 64963, 65352, 129926, 130704, 194889, 259852, 389778, 454741, 519704, 779556, 909482, 1039408, 1364223, 1559112, 1818964, 2728446, 3118224, 3637928, 5456892, 7275856, 10913784, 21827568]

約数ペア:

[(1, 21827568), (2, 10913784), (3, 7275856), (4, 5456892), (6, 3637928), (7, 3118224), (8, 2728446), (12, 1818964), (14, 1559112), (16, 1364223), (21, 1039408), (24, 909482), (28, 779556), (42, 519704), (48, 454741), (56, 389778), (84, 259852), (112, 194889), (167, 130704), (168, 129926), (334, 65352), (336, 64963), (389, 56112), (501, 43568), (668, 32676), (778, 28056), (1002, 21784), (1167, 18704), (1169, 18672), (1336, 16338), (1556, 14028), (2004, 10892), (2334, 9352), (2338, 9336), (2672, 8169), (2723, 8016), (3112, 7014), (3507, 6224), (4008, 5446), (4668, 4676)]