2021981031

素因数分解:

$3^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{97553}}^1$

素因数の和:97620

約数の個数: 36

約数和(自身を含む): 3469800672

約数和(自身を除く): 1447819641

約数列:

[1, 3, 7, 9, 21, 47, 49, 63, 141, 147, 329, 423, 441, 987, 2303, 2961, 6909, 20727, 97553, 292659, 682871, 877977, 2048613, 4584991, 4780097, 6145839, 13754973, 14340291, 32094937, 41264919, 43020873, 96284811, 224664559, 288854433, 673993677, 2021981031]

約数ペア:

[(1, 2021981031), (3, 673993677), (7, 288854433), (9, 224664559), (21, 96284811), (47, 43020873), (49, 41264919), (63, 32094937), (141, 14340291), (147, 13754973), (329, 6145839), (423, 4780097), (441, 4584991), (987, 2048613), (2303, 877977), (2961, 682871), (6909, 292659), (20727, 97553)]