21996414

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1949}}^1$

素因数の和:1990

約数の個数: 64

約数和(自身を含む): 56160000

約数和(自身を除く): 34163586

約数列:

[1, 2, 3, 6, 9, 11, 18, 19, 22, 27, 33, 38, 54, 57, 66, 99, 114, 171, 198, 209, 297, 342, 418, 513, 594, 627, 1026, 1254, 1881, 1949, 3762, 3898, 5643, 5847, 11286, 11694, 17541, 21439, 35082, 37031, 42878, 52623, 64317, 74062, 105246, 111093, 128634, 192951, 222186, 333279, 385902, 407341, 578853, 666558, 814682, 999837, 1157706, 1222023, 1999674, 2444046, 3666069, 7332138, 10998207, 21996414]

約数ペア:

[(1, 21996414), (2, 10998207), (3, 7332138), (6, 3666069), (9, 2444046), (11, 1999674), (18, 1222023), (19, 1157706), (22, 999837), (27, 814682), (33, 666558), (38, 578853), (54, 407341), (57, 385902), (66, 333279), (99, 222186), (114, 192951), (171, 128634), (198, 111093), (209, 105246), (297, 74062), (342, 64317), (418, 52623), (513, 42878), (594, 37031), (627, 35082), (1026, 21439), (1254, 17541), (1881, 11694), (1949, 11286), (3762, 5847), (3898, 5643)]