21986580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4759}}^1$

素因数の和:4789

約数の個数: 96

約数和(自身を含む): 76769280

約数和(自身を除く): 54782700

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 55, 60, 66, 70, 77, 84, 105, 110, 132, 140, 154, 165, 210, 220, 231, 308, 330, 385, 420, 462, 660, 770, 924, 1155, 1540, 2310, 4620, 4759, 9518, 14277, 19036, 23795, 28554, 33313, 47590, 52349, 57108, 66626, 71385, 95180, 99939, 104698, 133252, 142770, 157047, 166565, 199878, 209396, 261745, 285540, 314094, 333130, 366443, 399756, 499695, 523490, 628188, 666260, 732886, 785235, 999390, 1046980, 1099329, 1465772, 1570470, 1832215, 1998780, 2198658, 3140940, 3664430, 4397316, 5496645, 7328860, 10993290, 21986580]

約数ペア:

[(1, 21986580), (2, 10993290), (3, 7328860), (4, 5496645), (5, 4397316), (6, 3664430), (7, 3140940), (10, 2198658), (11, 1998780), (12, 1832215), (14, 1570470), (15, 1465772), (20, 1099329), (21, 1046980), (22, 999390), (28, 785235), (30, 732886), (33, 666260), (35, 628188), (42, 523490), (44, 499695), (55, 399756), (60, 366443), (66, 333130), (70, 314094), (77, 285540), (84, 261745), (105, 209396), (110, 199878), (132, 166565), (140, 157047), (154, 142770), (165, 133252), (210, 104698), (220, 99939), (231, 95180), (308, 71385), (330, 66626), (385, 57108), (420, 52349), (462, 47590), (660, 33313), (770, 28554), (924, 23795), (1155, 19036), (1540, 14277), (2310, 9518), (4620, 4759)]