2021971035

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{2750981}}^1$

素因数の和:2751003

約数の個数: 24

約数和(自身を含む): 3763343376

約数和(自身を除く): 1741372341

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 2750981, 8252943, 13754905, 19256867, 41264715, 57770601, 96284335, 134798069, 288853005, 404394207, 673990345, 2021971035]

約数ペア:

[(1, 2021971035), (3, 673990345), (5, 404394207), (7, 288853005), (15, 134798069), (21, 96284335), (35, 57770601), (49, 41264715), (105, 19256867), (147, 13754905), (245, 8252943), (735, 2750981)]