21866768

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17749}}^1$

素因数の和:17775

約数の個数: 40

約数和(自身を含む): 52824000

約数和(自身を除く): 30957232

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616, 1232, 17749, 35498, 70996, 124243, 141992, 195239, 248486, 283984, 390478, 496972, 780956, 993944, 1366673, 1561912, 1987888, 2733346, 3123824, 5466692, 10933384, 21866768]

約数ペア:

[(1, 21866768), (2, 10933384), (4, 5466692), (7, 3123824), (8, 2733346), (11, 1987888), (14, 1561912), (16, 1366673), (22, 993944), (28, 780956), (44, 496972), (56, 390478), (77, 283984), (88, 248486), (112, 195239), (154, 141992), (176, 124243), (308, 70996), (616, 35498), (1232, 17749)]