21007614

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{205957}}^1$

素因数の和:205979

約数の個数: 16

約数和(自身を含む): 44486928

約数和(自身を除く): 23479314

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 205957, 411914, 617871, 1235742, 3501269, 7002538, 10503807, 21007614]

約数ペア:

[(1, 21007614), (2, 10503807), (3, 7002538), (6, 3501269), (17, 1235742), (34, 617871), (51, 411914), (102, 205957)]