21139936256

素因数分解:

$2^{10}\times {\mathrm{19}}^1\times {\mathrm{431}}^1\times {\mathrm{2521}}^1$

素因数の和:2991

約数の個数: 88

約数和(自身を含む): 44604293760

約数和(自身を除く): 23464357504

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 431, 512, 608, 862, 1024, 1216, 1724, 2432, 2521, 3448, 4864, 5042, 6896, 8189, 9728, 10084, 13792, 16378, 19456, 20168, 27584, 32756, 40336, 47899, 55168, 65512, 80672, 95798, 110336, 131024, 161344, 191596, 220672, 262048, 322688, 383192, 441344, 524096, 645376, 766384, 1048192, 1086551, 1290752, 1532768, 2096384, 2173102, 2581504, 3065536, 4192768, 4346204, 6131072, 8385536, 8692408, 12262144, 17384816, 20644469, 24524288, 34769632, 41288938, 49048576, 69539264, 82577876, 139078528, 165155752, 278157056, 330311504, 556314112, 660623008, 1112628224, 1321246016, 2642492032, 5284984064, 10569968128, 21139936256]

約数ペア:

[(1, 21139936256), (2, 10569968128), (4, 5284984064), (8, 2642492032), (16, 1321246016), (19, 1112628224), (32, 660623008), (38, 556314112), (64, 330311504), (76, 278157056), (128, 165155752), (152, 139078528), (256, 82577876), (304, 69539264), (431, 49048576), (512, 41288938), (608, 34769632), (862, 24524288), (1024, 20644469), (1216, 17384816), (1724, 12262144), (2432, 8692408), (2521, 8385536), (3448, 6131072), (4864, 4346204), (5042, 4192768), (6896, 3065536), (8189, 2581504), (9728, 2173102), (10084, 2096384), (13792, 1532768), (16378, 1290752), (19456, 1086551), (20168, 1048192), (27584, 766384), (32756, 645376), (40336, 524096), (47899, 441344), (55168, 383192), (65512, 322688), (80672, 262048), (95798, 220672), (110336, 191596), (131024, 161344)]