21409390940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{277}}^1\times {\mathrm{19037}}^1$

素因数の和:19359

約数の個数: 96

約数和(自身を含む): 53349045120

約数和(自身を除く): 31939654180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 277, 290, 406, 554, 580, 812, 1015, 1108, 1385, 1939, 2030, 2770, 3878, 4060, 5540, 7756, 8033, 9695, 16066, 19037, 19390, 32132, 38074, 38780, 40165, 56231, 76148, 80330, 95185, 112462, 133259, 160660, 190370, 224924, 266518, 281155, 380740, 533036, 552073, 562310, 666295, 1104146, 1124620, 1332590, 2208292, 2665180, 2760365, 3864511, 5273249, 5520730, 7729022, 10546498, 11041460, 15458044, 19322555, 21092996, 26366245, 36912743, 38645110, 52732490, 73825486, 77290220, 105464980, 147650972, 152924221, 184563715, 305848442, 369127430, 611696884, 738254860, 764621105, 1070469547, 1529242210, 2140939094, 3058484420, 4281878188, 5352347735, 10704695470, 21409390940]

約数ペア:

[(1, 21409390940), (2, 10704695470), (4, 5352347735), (5, 4281878188), (7, 3058484420), (10, 2140939094), (14, 1529242210), (20, 1070469547), (28, 764621105), (29, 738254860), (35, 611696884), (58, 369127430), (70, 305848442), (116, 184563715), (140, 152924221), (145, 147650972), (203, 105464980), (277, 77290220), (290, 73825486), (406, 52732490), (554, 38645110), (580, 36912743), (812, 26366245), (1015, 21092996), (1108, 19322555), (1385, 15458044), (1939, 11041460), (2030, 10546498), (2770, 7729022), (3878, 5520730), (4060, 5273249), (5540, 3864511), (7756, 2760365), (8033, 2665180), (9695, 2208292), (16066, 1332590), (19037, 1124620), (19390, 1104146), (32132, 666295), (38074, 562310), (38780, 552073), (40165, 533036), (56231, 380740), (76148, 281155), (80330, 266518), (95185, 224924), (112462, 190370), (133259, 160660)]