21503482

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{467}}^1$

素因数の和:523

約数の個数: 64

約数和(自身を含む): 45287424

約数和(自身を除く): 23783942

約数列:

[1, 2, 7, 11, 13, 14, 22, 23, 26, 46, 77, 91, 143, 154, 161, 182, 253, 286, 299, 322, 467, 506, 598, 934, 1001, 1771, 2002, 2093, 3269, 3289, 3542, 4186, 5137, 6071, 6538, 6578, 10274, 10741, 12142, 21482, 23023, 35959, 42497, 46046, 66781, 71918, 75187, 84994, 118151, 133562, 139633, 150374, 236302, 279266, 467467, 827057, 934934, 977431, 1535963, 1654114, 1954862, 3071926, 10751741, 21503482]

約数ペア:

[(1, 21503482), (2, 10751741), (7, 3071926), (11, 1954862), (13, 1654114), (14, 1535963), (22, 977431), (23, 934934), (26, 827057), (46, 467467), (77, 279266), (91, 236302), (143, 150374), (154, 139633), (161, 133562), (182, 118151), (253, 84994), (286, 75187), (299, 71918), (322, 66781), (467, 46046), (506, 42497), (598, 35959), (934, 23023), (1001, 21482), (1771, 12142), (2002, 10741), (2093, 10274), (3269, 6578), (3289, 6538), (3542, 6071), (4186, 5137)]