21078210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{702607}}^1$

素因数の和:702617

約数の個数: 16

約数和(自身を含む): 50587776

約数和(自身を除く): 29509566

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 702607, 1405214, 2107821, 3513035, 4215642, 7026070, 10539105, 21078210]

約数ペア:

[(1, 21078210), (2, 10539105), (3, 7026070), (5, 4215642), (6, 3513035), (10, 2107821), (15, 1405214), (30, 702607)]