2021076155

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{18443}}^1$

素因数の和:18587

約数の個数: 32

約数和(自身を含む): 2889658368

約数和(自身を除く): 868582213

約数列:

[1, 5, 7, 31, 35, 101, 155, 217, 505, 707, 1085, 3131, 3535, 15655, 18443, 21917, 92215, 109585, 129101, 571733, 645505, 1862743, 2858665, 4002131, 9313715, 13039201, 20010655, 57745033, 65196005, 288725165, 404215231, 2021076155]

約数ペア:

[(1, 2021076155), (5, 404215231), (7, 288725165), (31, 65196005), (35, 57745033), (101, 20010655), (155, 13039201), (217, 9313715), (505, 4002131), (707, 2858665), (1085, 1862743), (3131, 645505), (3535, 571733), (15655, 129101), (18443, 109585), (21917, 92215)]