21622160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{38611}}^1$

素因数の和:38631

約数の個数: 40

約数和(自身を含む): 57454656

約数和(自身を除く): 35832496

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 38611, 77222, 154444, 193055, 270277, 308888, 386110, 540554, 617776, 772220, 1081108, 1351385, 1544440, 2162216, 2702770, 3088880, 4324432, 5405540, 10811080, 21622160]

約数ペア:

[(1, 21622160), (2, 10811080), (4, 5405540), (5, 4324432), (7, 3088880), (8, 2702770), (10, 2162216), (14, 1544440), (16, 1351385), (20, 1081108), (28, 772220), (35, 617776), (40, 540554), (56, 386110), (70, 308888), (80, 270277), (112, 193055), (140, 154444), (280, 77222), (560, 38611)]