21311490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{710383}}^1$

素因数の和:710393

約数の個数: 16

約数和(自身を含む): 51147648

約数和(自身を除く): 29836158

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 710383, 1420766, 2131149, 3551915, 4262298, 7103830, 10655745, 21311490]

約数ペア:

[(1, 21311490), (2, 10655745), (3, 7103830), (5, 4262298), (6, 3551915), (10, 2131149), (15, 1420766), (30, 710383)]