21025854

素因数分解:

$2^1\times 3^2\times {\mathrm{349}}^1\times {\mathrm{3347}}^1$

素因数の和:3704

約数の個数: 24

約数和(自身を含む): 45700200

約数和(自身を除く): 24674346

約数列:

[1, 2, 3, 6, 9, 18, 349, 698, 1047, 2094, 3141, 3347, 6282, 6694, 10041, 20082, 30123, 60246, 1168103, 2336206, 3504309, 7008618, 10512927, 21025854]

約数ペア:

[(1, 21025854), (2, 10512927), (3, 7008618), (6, 3504309), (9, 2336206), (18, 1168103), (349, 60246), (698, 30123), (1047, 20082), (2094, 10041), (3141, 6694), (3347, 6282)]