21983019

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{8969}}^1$

素因数の和:9034

約数の個数: 16

約数和(自身を含む): 31574400

約数和(自身を除く): 9591381

約数列:

[1, 3, 19, 43, 57, 129, 817, 2451, 8969, 26907, 170411, 385667, 511233, 1157001, 7327673, 21983019]

約数ペア:

[(1, 21983019), (3, 7327673), (19, 1157001), (43, 511233), (57, 385667), (129, 170411), (817, 26907), (2451, 8969)]