21039696

素因数分解:

$2^4\times 3^3\times {\mathrm{113}}^1\times {\mathrm{431}}^1$

素因数の和:561

約数の個数: 80

約数和(自身を含む): 61067520

約数和(自身を除く): 40027824

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 113, 144, 216, 226, 339, 431, 432, 452, 678, 862, 904, 1017, 1293, 1356, 1724, 1808, 2034, 2586, 2712, 3051, 3448, 3879, 4068, 5172, 5424, 6102, 6896, 7758, 8136, 10344, 11637, 12204, 15516, 16272, 20688, 23274, 24408, 31032, 46548, 48703, 48816, 62064, 93096, 97406, 146109, 186192, 194812, 292218, 389624, 438327, 584436, 779248, 876654, 1168872, 1314981, 1753308, 2337744, 2629962, 3506616, 5259924, 7013232, 10519848, 21039696]

約数ペア:

[(1, 21039696), (2, 10519848), (3, 7013232), (4, 5259924), (6, 3506616), (8, 2629962), (9, 2337744), (12, 1753308), (16, 1314981), (18, 1168872), (24, 876654), (27, 779248), (36, 584436), (48, 438327), (54, 389624), (72, 292218), (108, 194812), (113, 186192), (144, 146109), (216, 97406), (226, 93096), (339, 62064), (431, 48816), (432, 48703), (452, 46548), (678, 31032), (862, 24408), (904, 23274), (1017, 20688), (1293, 16272), (1356, 15516), (1724, 12204), (1808, 11637), (2034, 10344), (2586, 8136), (2712, 7758), (3051, 6896), (3448, 6102), (3879, 5424), (4068, 5172)]