21252942

素因数分解:

$2^1\times 3^4\times {\mathrm{127}}^1\times {\mathrm{1033}}^1$

素因数の和:1174

約数の個数: 40

約数和(自身を含む): 48043776

約数和(自身を除く): 26790834

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 127, 162, 254, 381, 762, 1033, 1143, 2066, 2286, 3099, 3429, 6198, 6858, 9297, 10287, 18594, 20574, 27891, 55782, 83673, 131191, 167346, 262382, 393573, 787146, 1180719, 2361438, 3542157, 7084314, 10626471, 21252942]

約数ペア:

[(1, 21252942), (2, 10626471), (3, 7084314), (6, 3542157), (9, 2361438), (18, 1180719), (27, 787146), (54, 393573), (81, 262382), (127, 167346), (162, 131191), (254, 83673), (381, 55782), (762, 27891), (1033, 20574), (1143, 18594), (2066, 10287), (2286, 9297), (3099, 6858), (3429, 6198)]