21008649312

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{10420957}}^1$

素因数の和:10420980

約数の個数: 72

約数和(自身を含む): 68278116816

約数和(自身を除く): 47269467504

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 288, 336, 504, 672, 1008, 2016, 10420957, 20841914, 31262871, 41683828, 62525742, 72946699, 83367656, 93788613, 125051484, 145893398, 166735312, 187577226, 218840097, 250102968, 291786796, 333470624, 375154452, 437680194, 500205936, 583573592, 656520291, 750308904, 875360388, 1000411872, 1167147184, 1313040582, 1500617808, 1750720776, 2334294368, 2626081164, 3001235616, 3501441552, 5252162328, 7002883104, 10504324656, 21008649312]

約数ペア:

[(1, 21008649312), (2, 10504324656), (3, 7002883104), (4, 5252162328), (6, 3501441552), (7, 3001235616), (8, 2626081164), (9, 2334294368), (12, 1750720776), (14, 1500617808), (16, 1313040582), (18, 1167147184), (21, 1000411872), (24, 875360388), (28, 750308904), (32, 656520291), (36, 583573592), (42, 500205936), (48, 437680194), (56, 375154452), (63, 333470624), (72, 291786796), (84, 250102968), (96, 218840097), (112, 187577226), (126, 166735312), (144, 145893398), (168, 125051484), (224, 93788613), (252, 83367656), (288, 72946699), (336, 62525742), (504, 41683828), (672, 31262871), (1008, 20841914), (2016, 10420957)]