21769155

素因数分解:

$3^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1$

素因数の和:103

約数の個数: 96

約数和(自身を含む): 44029440

約数和(自身を除く): 22260285

約数列:

[1, 3, 5, 9, 15, 19, 23, 27, 41, 45, 57, 69, 81, 95, 115, 123, 135, 171, 205, 207, 243, 285, 345, 369, 405, 437, 513, 615, 621, 779, 855, 943, 1035, 1107, 1215, 1311, 1539, 1845, 1863, 2185, 2337, 2565, 2829, 3105, 3321, 3895, 3933, 4617, 4715, 5535, 5589, 6555, 7011, 7695, 8487, 9315, 9963, 11685, 11799, 14145, 16605, 17917, 19665, 21033, 23085, 25461, 27945, 35055, 35397, 42435, 49815, 53751, 58995, 63099, 76383, 89585, 105165, 106191, 127305, 161253, 176985, 189297, 229149, 268755, 315495, 381915, 483759, 530955, 806265, 946485, 1145745, 1451277, 2418795, 4353831, 7256385, 21769155]

約数ペア:

[(1, 21769155), (3, 7256385), (5, 4353831), (9, 2418795), (15, 1451277), (19, 1145745), (23, 946485), (27, 806265), (41, 530955), (45, 483759), (57, 381915), (69, 315495), (81, 268755), (95, 229149), (115, 189297), (123, 176985), (135, 161253), (171, 127305), (205, 106191), (207, 105165), (243, 89585), (285, 76383), (345, 63099), (369, 58995), (405, 53751), (437, 49815), (513, 42435), (615, 35397), (621, 35055), (779, 27945), (855, 25461), (943, 23085), (1035, 21033), (1107, 19665), (1215, 17917), (1311, 16605), (1539, 14145), (1845, 11799), (1863, 11685), (2185, 9963), (2337, 9315), (2565, 8487), (2829, 7695), (3105, 7011), (3321, 6555), (3895, 5589), (3933, 5535), (4617, 4715)]