2021189156

素因数分解:

$2^2\times 7^1\times {\mathrm{3911}}^1\times {\mathrm{18457}}^1$

素因数の和:22379

約数の個数: 24

約数和(自身を含む): 4043630976

約数和(自身を除く): 2022441820

約数列:

[1, 2, 4, 7, 14, 28, 3911, 7822, 15644, 18457, 27377, 36914, 54754, 73828, 109508, 129199, 258398, 516796, 72185327, 144370654, 288741308, 505297289, 1010594578, 2021189156]

約数ペア:

[(1, 2021189156), (2, 1010594578), (4, 505297289), (7, 288741308), (14, 144370654), (28, 72185327), (3911, 516796), (7822, 258398), (15644, 129199), (18457, 109508), (27377, 73828), (36914, 54754)]