21137718

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{10271}}^1$

素因数の和:10297

約数の個数: 32

約数和(自身を含む): 49305600

約数和(自身を除く): 28167882

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 343, 686, 1029, 2058, 10271, 20542, 30813, 61626, 71897, 143794, 215691, 431382, 503279, 1006558, 1509837, 3019674, 3522953, 7045906, 10568859, 21137718]

約数ペア:

[(1, 21137718), (2, 10568859), (3, 7045906), (6, 3522953), (7, 3019674), (14, 1509837), (21, 1006558), (42, 503279), (49, 431382), (98, 215691), (147, 143794), (294, 71897), (343, 61626), (686, 30813), (1029, 20542), (2058, 10271)]