21440189806

素因数分解:

$2^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{233}}^1\times {\mathrm{4327}}^1$

素因数の和:4614

約数の個数: 64

約数和(自身を含む): 38889676800

約数和(自身を除く): 17449486994

約数列:

[1, 2, 7, 14, 31, 49, 62, 98, 217, 233, 343, 434, 466, 686, 1519, 1631, 3038, 3262, 4327, 7223, 8654, 10633, 11417, 14446, 21266, 22834, 30289, 50561, 60578, 79919, 101122, 134137, 159838, 212023, 268274, 353927, 424046, 707854, 938959, 1008191, 1484161, 1877918, 2016382, 2477489, 2968322, 4954978, 6572713, 7057337, 13145426, 14114674, 31253921, 46008991, 49401359, 62507842, 92017982, 98802718, 218777447, 345809513, 437554894, 691619026, 1531442129, 3062884258, 10720094903, 21440189806]

約数ペア:

[(1, 21440189806), (2, 10720094903), (7, 3062884258), (14, 1531442129), (31, 691619026), (49, 437554894), (62, 345809513), (98, 218777447), (217, 98802718), (233, 92017982), (343, 62507842), (434, 49401359), (466, 46008991), (686, 31253921), (1519, 14114674), (1631, 13145426), (3038, 7057337), (3262, 6572713), (4327, 4954978), (7223, 2968322), (8654, 2477489), (10633, 2016382), (11417, 1877918), (14446, 1484161), (21266, 1008191), (22834, 938959), (30289, 707854), (50561, 424046), (60578, 353927), (79919, 268274), (101122, 212023), (134137, 159838)]