21384922

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{151}}^1\times {\mathrm{419}}^1$

素因数の和:598

約数の個数: 24

約数和(自身を含む): 35048160

約数和(自身を除く): 13663238

約数列:

[1, 2, 13, 26, 151, 169, 302, 338, 419, 838, 1963, 3926, 5447, 10894, 25519, 51038, 63269, 70811, 126538, 141622, 822497, 1644994, 10692461, 21384922]

約数ペア:

[(1, 21384922), (2, 10692461), (13, 1644994), (26, 822497), (151, 141622), (169, 126538), (302, 70811), (338, 63269), (419, 51038), (838, 25519), (1963, 10894), (3926, 5447)]