21371056

素因数分解:

$2^4\times 7^2\times {\mathrm{27259}}^1$

素因数の和:27281

約数の個数: 30

約数和(自身を含む): 48168420

約数和(自身を除く): 26797364

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 27259, 54518, 109036, 190813, 218072, 381626, 436144, 763252, 1335691, 1526504, 2671382, 3053008, 5342764, 10685528, 21371056]

約数ペア:

[(1, 21371056), (2, 10685528), (4, 5342764), (7, 3053008), (8, 2671382), (14, 1526504), (16, 1335691), (28, 763252), (49, 436144), (56, 381626), (98, 218072), (112, 190813), (196, 109036), (392, 54518), (784, 27259)]