21231659091

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{1289}}^1\times {\mathrm{322969}}^1$

素因数の和:324278

約数の個数: 16

約数和(自身を含む): 29997453600

約数和(自身を除く): 8765794509

約数列:

[1, 3, 17, 51, 1289, 3867, 21913, 65739, 322969, 968907, 5490473, 16471419, 416307041, 1248921123, 7077219697, 21231659091]

約数ペア:

[(1, 21231659091), (3, 7077219697), (17, 1248921123), (51, 416307041), (1289, 16471419), (3867, 5490473), (21913, 968907), (65739, 322969)]