21497745479

素因数分解:

$7^1\times {\mathrm{149}}^1\times {\mathrm{347}}^1\times {\mathrm{59399}}^1$

素因数の和:59902

約数の個数: 16

約数和(自身を含む): 24805440000

約数和(自身を除く): 3307694521

約数列:

[1, 7, 149, 347, 1043, 2429, 51703, 59399, 361921, 415793, 8850451, 20611453, 61953157, 144280171, 3071106497, 21497745479]

約数ペア:

[(1, 21497745479), (7, 3071106497), (149, 144280171), (347, 61953157), (1043, 20611453), (2429, 8850451), (51703, 415793), (59399, 361921)]