21259230

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{708641}}^1$

素因数の和:708651

約数の個数: 16

約数和(自身を含む): 51022224

約数和(自身を除く): 29762994

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 708641, 1417282, 2125923, 3543205, 4251846, 7086410, 10629615, 21259230]

約数ペア:

[(1, 21259230), (2, 10629615), (3, 7086410), (5, 4251846), (6, 3543205), (10, 2125923), (15, 1417282), (30, 708641)]