21603190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{439}}^1$

素因数の和:509

約数の個数: 64

約数和(自身を含む): 48153600

約数和(自身を除く): 26550410

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 37, 38, 70, 74, 95, 133, 185, 190, 259, 266, 370, 439, 518, 665, 703, 878, 1295, 1330, 1406, 2195, 2590, 3073, 3515, 4390, 4921, 6146, 7030, 8341, 9842, 15365, 16243, 16682, 24605, 30730, 32486, 41705, 49210, 58387, 81215, 83410, 113701, 116774, 162430, 227402, 291935, 308617, 568505, 583870, 617234, 1137010, 1543085, 2160319, 3086170, 4320638, 10801595, 21603190]

約数ペア:

[(1, 21603190), (2, 10801595), (5, 4320638), (7, 3086170), (10, 2160319), (14, 1543085), (19, 1137010), (35, 617234), (37, 583870), (38, 568505), (70, 308617), (74, 291935), (95, 227402), (133, 162430), (185, 116774), (190, 113701), (259, 83410), (266, 81215), (370, 58387), (439, 49210), (518, 41705), (665, 32486), (703, 30730), (878, 24605), (1295, 16682), (1330, 16243), (1406, 15365), (2195, 9842), (2590, 8341), (3073, 7030), (3515, 6146), (4390, 4921)]