21612678

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{211889}}^1$

素因数の和:211911

約数の個数: 16

約数和(自身を含む): 45768240

約数和(自身を除く): 24155562

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 211889, 423778, 635667, 1271334, 3602113, 7204226, 10806339, 21612678]

約数ペア:

[(1, 21612678), (2, 10806339), (3, 7204226), (6, 3602113), (17, 1271334), (34, 635667), (51, 423778), (102, 211889)]