21387792

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{19373}}^1$

素因数の和:19407

約数の個数: 40

約数和(自身を含む): 57657024

約数和(自身を除く): 36269232

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 46, 48, 69, 92, 138, 184, 276, 368, 552, 1104, 19373, 38746, 58119, 77492, 116238, 154984, 232476, 309968, 445579, 464952, 891158, 929904, 1336737, 1782316, 2673474, 3564632, 5346948, 7129264, 10693896, 21387792]

約数ペア:

[(1, 21387792), (2, 10693896), (3, 7129264), (4, 5346948), (6, 3564632), (8, 2673474), (12, 1782316), (16, 1336737), (23, 929904), (24, 891158), (46, 464952), (48, 445579), (69, 309968), (92, 232476), (138, 154984), (184, 116238), (276, 77492), (368, 58119), (552, 38746), (1104, 19373)]