21378456

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^1\times {\mathrm{26993}}^1$

素因数の和:27016

約数の個数: 48

約数和(自身を含む): 63165960

約数和(自身を除く): 41787504

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 33, 36, 44, 66, 72, 88, 99, 132, 198, 264, 396, 792, 26993, 53986, 80979, 107972, 161958, 215944, 242937, 296923, 323916, 485874, 593846, 647832, 890769, 971748, 1187692, 1781538, 1943496, 2375384, 2672307, 3563076, 5344614, 7126152, 10689228, 21378456]

約数ペア:

[(1, 21378456), (2, 10689228), (3, 7126152), (4, 5344614), (6, 3563076), (8, 2672307), (9, 2375384), (11, 1943496), (12, 1781538), (18, 1187692), (22, 971748), (24, 890769), (33, 647832), (36, 593846), (44, 485874), (66, 323916), (72, 296923), (88, 242937), (99, 215944), (132, 161958), (198, 107972), (264, 80979), (396, 53986), (792, 26993)]