21422008

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{241}}^1\times {\mathrm{271}}^1$

素因数の和:559

約数の個数: 32

約数和(自身を含む): 41469120

約数和(自身を除く): 20047112

約数列:

[1, 2, 4, 8, 41, 82, 164, 241, 271, 328, 482, 542, 964, 1084, 1928, 2168, 9881, 11111, 19762, 22222, 39524, 44444, 65311, 79048, 88888, 130622, 261244, 522488, 2677751, 5355502, 10711004, 21422008]

約数ペア:

[(1, 21422008), (2, 10711004), (4, 5355502), (8, 2677751), (41, 522488), (82, 261244), (164, 130622), (241, 88888), (271, 79048), (328, 65311), (482, 44444), (542, 39524), (964, 22222), (1084, 19762), (1928, 11111), (2168, 9881)]