21588490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{53}}^1$

素因数の和:124

約数の個数: 96

約数和(自身を含む): 51601536

約数和(自身を除く): 30013046

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 23, 35, 46, 53, 55, 70, 77, 106, 110, 115, 154, 161, 230, 253, 265, 322, 371, 385, 506, 529, 530, 583, 742, 770, 805, 1058, 1166, 1219, 1265, 1610, 1771, 1855, 2438, 2530, 2645, 2915, 3542, 3703, 3710, 4081, 5290, 5819, 5830, 6095, 7406, 8162, 8533, 8855, 11638, 12190, 13409, 17066, 17710, 18515, 20405, 26818, 28037, 29095, 37030, 40733, 40810, 42665, 56074, 58190, 67045, 81466, 85330, 93863, 134090, 140185, 187726, 196259, 203665, 280370, 308407, 392518, 407330, 469315, 616814, 938630, 981295, 1542035, 1962590, 2158849, 3084070, 4317698, 10794245, 21588490]

約数ペア:

[(1, 21588490), (2, 10794245), (5, 4317698), (7, 3084070), (10, 2158849), (11, 1962590), (14, 1542035), (22, 981295), (23, 938630), (35, 616814), (46, 469315), (53, 407330), (55, 392518), (70, 308407), (77, 280370), (106, 203665), (110, 196259), (115, 187726), (154, 140185), (161, 134090), (230, 93863), (253, 85330), (265, 81466), (322, 67045), (371, 58190), (385, 56074), (506, 42665), (529, 40810), (530, 40733), (583, 37030), (742, 29095), (770, 28037), (805, 26818), (1058, 20405), (1166, 18515), (1219, 17710), (1265, 17066), (1610, 13409), (1771, 12190), (1855, 11638), (2438, 8855), (2530, 8533), (2645, 8162), (2915, 7406), (3542, 6095), (3703, 5830), (3710, 5819), (4081, 5290)]