21088578

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{347}}^1\times {\mathrm{1447}}^1$

素因数の和:1806

約数の個数: 32

約数和(自身を含む): 48374784

約数和(自身を除く): 27286206

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 347, 694, 1041, 1447, 2082, 2429, 2894, 4341, 4858, 7287, 8682, 10129, 14574, 20258, 30387, 60774, 502109, 1004218, 1506327, 3012654, 3514763, 7029526, 10544289, 21088578]

約数ペア:

[(1, 21088578), (2, 10544289), (3, 7029526), (6, 3514763), (7, 3012654), (14, 1506327), (21, 1004218), (42, 502109), (347, 60774), (694, 30387), (1041, 20258), (1447, 14574), (2082, 10129), (2429, 8682), (2894, 7287), (4341, 4858)]