21136794

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{2909}}^1$

素因数の和:3094

約数の個数: 32

約数和(自身を含む): 48608640

約数和(自身を除く): 27471846

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 173, 346, 519, 1038, 1211, 2422, 2909, 3633, 5818, 7266, 8727, 17454, 20363, 40726, 61089, 122178, 503257, 1006514, 1509771, 3019542, 3522799, 7045598, 10568397, 21136794]

約数ペア:

[(1, 21136794), (2, 10568397), (3, 7045598), (6, 3522799), (7, 3019542), (14, 1509771), (21, 1006514), (42, 503257), (173, 122178), (346, 61089), (519, 40726), (1038, 20363), (1211, 17454), (2422, 8727), (2909, 7266), (3633, 5818)]