21194040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1097}}^1$

素因数の和:1141

約数の個数: 128

約数和(自身を含む): 75893760

約数和(自身を除く): 54699720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 56, 60, 69, 70, 84, 92, 105, 115, 120, 138, 140, 161, 168, 184, 210, 230, 276, 280, 322, 345, 420, 460, 483, 552, 644, 690, 805, 840, 920, 966, 1097, 1288, 1380, 1610, 1932, 2194, 2415, 2760, 3220, 3291, 3864, 4388, 4830, 5485, 6440, 6582, 7679, 8776, 9660, 10970, 13164, 15358, 16455, 19320, 21940, 23037, 25231, 26328, 30716, 32910, 38395, 43880, 46074, 50462, 61432, 65820, 75693, 76790, 92148, 100924, 115185, 126155, 131640, 151386, 153580, 176617, 184296, 201848, 230370, 252310, 302772, 307160, 353234, 378465, 460740, 504620, 529851, 605544, 706468, 756930, 883085, 921480, 1009240, 1059702, 1412936, 1513860, 1766170, 2119404, 2649255, 3027720, 3532340, 4238808, 5298510, 7064680, 10597020, 21194040]

約数ペア:

[(1, 21194040), (2, 10597020), (3, 7064680), (4, 5298510), (5, 4238808), (6, 3532340), (7, 3027720), (8, 2649255), (10, 2119404), (12, 1766170), (14, 1513860), (15, 1412936), (20, 1059702), (21, 1009240), (23, 921480), (24, 883085), (28, 756930), (30, 706468), (35, 605544), (40, 529851), (42, 504620), (46, 460740), (56, 378465), (60, 353234), (69, 307160), (70, 302772), (84, 252310), (92, 230370), (105, 201848), (115, 184296), (120, 176617), (138, 153580), (140, 151386), (161, 131640), (168, 126155), (184, 115185), (210, 100924), (230, 92148), (276, 76790), (280, 75693), (322, 65820), (345, 61432), (420, 50462), (460, 46074), (483, 43880), (552, 38395), (644, 32910), (690, 30716), (805, 26328), (840, 25231), (920, 23037), (966, 21940), (1097, 19320), (1288, 16455), (1380, 15358), (1610, 13164), (1932, 10970), (2194, 9660), (2415, 8776), (2760, 7679), (3220, 6582), (3291, 6440), (3864, 5485), (4388, 4830)]