21372870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{712429}}^1$

素因数の和:712439

約数の個数: 16

約数和(自身を含む): 51294960

約数和(自身を除く): 29922090

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 712429, 1424858, 2137287, 3562145, 4274574, 7124290, 10686435, 21372870]

約数ペア:

[(1, 21372870), (2, 10686435), (3, 7124290), (5, 4274574), (6, 3562145), (10, 2137287), (15, 1424858), (30, 712429)]