21387025488

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{350561}}^1$

素因数の和:350644

約数の個数: 80

約数和(自身を含む): 58423260672

約数和(自身を除く): 37036235184

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 41, 48, 62, 82, 93, 123, 124, 164, 186, 246, 248, 328, 372, 492, 496, 656, 744, 984, 1271, 1488, 1968, 2542, 3813, 5084, 7626, 10168, 15252, 20336, 30504, 61008, 350561, 701122, 1051683, 1402244, 2103366, 2804488, 4206732, 5608976, 8413464, 10867391, 14373001, 16826928, 21734782, 28746002, 32602173, 43119003, 43469564, 57492004, 65204346, 86238006, 86939128, 114984008, 130408692, 172476012, 173878256, 229968016, 260817384, 344952024, 445563031, 521634768, 689904048, 891126062, 1336689093, 1782252124, 2673378186, 3564504248, 5346756372, 7129008496, 10693512744, 21387025488]

約数ペア:

[(1, 21387025488), (2, 10693512744), (3, 7129008496), (4, 5346756372), (6, 3564504248), (8, 2673378186), (12, 1782252124), (16, 1336689093), (24, 891126062), (31, 689904048), (41, 521634768), (48, 445563031), (62, 344952024), (82, 260817384), (93, 229968016), (123, 173878256), (124, 172476012), (164, 130408692), (186, 114984008), (246, 86939128), (248, 86238006), (328, 65204346), (372, 57492004), (492, 43469564), (496, 43119003), (656, 32602173), (744, 28746002), (984, 21734782), (1271, 16826928), (1488, 14373001), (1968, 10867391), (2542, 8413464), (3813, 5608976), (5084, 4206732), (7626, 2804488), (10168, 2103366), (15252, 1402244), (20336, 1051683), (30504, 701122), (61008, 350561)]