21716718

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{212909}}^1$

素因数の和:212931

約数の個数: 16

約数和(自身を含む): 45988560

約数和(自身を除く): 24271842

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 212909, 425818, 638727, 1277454, 3619453, 7238906, 10858359, 21716718]

約数ペア:

[(1, 21716718), (2, 10858359), (3, 7238906), (6, 3619453), (17, 1277454), (34, 638727), (51, 425818), (102, 212909)]