21815442

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{461}}^1$

素因数の和:719

約数の個数: 48

約数和(自身を含む): 51891840

約数和(自身を除く): 30076398

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 239, 461, 478, 717, 922, 1383, 1434, 2151, 2629, 2766, 4149, 4302, 5071, 5258, 7887, 8298, 10142, 15213, 15774, 23661, 30426, 45639, 47322, 91278, 110179, 220358, 330537, 661074, 991611, 1211969, 1983222, 2423938, 3635907, 7271814, 10907721, 21815442]

約数ペア:

[(1, 21815442), (2, 10907721), (3, 7271814), (6, 3635907), (9, 2423938), (11, 1983222), (18, 1211969), (22, 991611), (33, 661074), (66, 330537), (99, 220358), (198, 110179), (239, 91278), (461, 47322), (478, 45639), (717, 30426), (922, 23661), (1383, 15774), (1434, 15213), (2151, 10142), (2629, 8298), (2766, 7887), (4149, 5258), (4302, 5071)]