21597954

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{11959}}^1$

素因数の和:12014

約数の個数: 32

約数和(自身を含む): 50519040

約数和(自身を除く): 28921086

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 86, 129, 258, 301, 602, 903, 1806, 11959, 23918, 35877, 71754, 83713, 167426, 251139, 502278, 514237, 1028474, 1542711, 3085422, 3599659, 7199318, 10798977, 21597954]

約数ペア:

[(1, 21597954), (2, 10798977), (3, 7199318), (6, 3599659), (7, 3085422), (14, 1542711), (21, 1028474), (42, 514237), (43, 502278), (86, 251139), (129, 167426), (258, 83713), (301, 71754), (602, 35877), (903, 23918), (1806, 11959)]