21392010

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{237689}}^1$

素因数の和:237702

約数の個数: 24

約数和(自身を含む): 55619460

約数和(自身を除く): 34227450

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 237689, 475378, 713067, 1188445, 1426134, 2139201, 2376890, 3565335, 4278402, 7130670, 10696005, 21392010]

約数ペア:

[(1, 21392010), (2, 10696005), (3, 7130670), (5, 4278402), (6, 3565335), (9, 2376890), (10, 2139201), (15, 1426134), (18, 1188445), (30, 713067), (45, 475378), (90, 237689)]