2021115005

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{634573}}^1$

素因数の和:634605

約数の個数: 24

約数和(自身を含む): 3038340312

約数和(自身を除く): 1017225307

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 245, 455, 637, 3185, 634573, 3172865, 4442011, 8249449, 22210055, 31094077, 41247245, 57746143, 155470385, 288730715, 404223001, 2021115005]

約数ペア:

[(1, 2021115005), (5, 404223001), (7, 288730715), (13, 155470385), (35, 57746143), (49, 41247245), (65, 31094077), (91, 22210055), (245, 8249449), (455, 4442011), (637, 3172865), (3185, 634573)]