21399636

素因数分解:

$2^2\times 3^1\times {\mathrm{131}}^1\times {\mathrm{13613}}^1$

素因数の和:13751

約数の個数: 24

約数和(自身を含む): 50317344

約数和(自身を除く): 28917708

約数列:

[1, 2, 3, 4, 6, 12, 131, 262, 393, 524, 786, 1572, 13613, 27226, 40839, 54452, 81678, 163356, 1783303, 3566606, 5349909, 7133212, 10699818, 21399636]

約数ペア:

[(1, 21399636), (2, 10699818), (3, 7133212), (4, 5349909), (6, 3566606), (12, 1783303), (131, 163356), (262, 81678), (393, 54452), (524, 40839), (786, 27226), (1572, 13613)]