21345390

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{7187}}^1$

素因数の和:7214

約数の個数: 64

約数和(自身を含む): 62104320

約数和(自身を除く): 40758930

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 30, 33, 45, 54, 55, 66, 90, 99, 110, 135, 165, 198, 270, 297, 330, 495, 594, 990, 1485, 2970, 7187, 14374, 21561, 35935, 43122, 64683, 71870, 79057, 107805, 129366, 158114, 194049, 215610, 237171, 323415, 388098, 395285, 474342, 646830, 711513, 790570, 970245, 1185855, 1423026, 1940490, 2134539, 2371710, 3557565, 4269078, 7115130, 10672695, 21345390]

約数ペア:

[(1, 21345390), (2, 10672695), (3, 7115130), (5, 4269078), (6, 3557565), (9, 2371710), (10, 2134539), (11, 1940490), (15, 1423026), (18, 1185855), (22, 970245), (27, 790570), (30, 711513), (33, 646830), (45, 474342), (54, 395285), (55, 388098), (66, 323415), (90, 237171), (99, 215610), (110, 194049), (135, 158114), (165, 129366), (198, 107805), (270, 79057), (297, 71870), (330, 64683), (495, 43122), (594, 35935), (990, 21561), (1485, 14374), (2970, 7187)]