21809786

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{5659}}^1$

素因数の和:5749

約数の個数: 16

約数和(自身を含む): 34231680

約数和(自身を除く): 12421894

約数列:

[1, 2, 41, 47, 82, 94, 1927, 3854, 5659, 11318, 232019, 265973, 464038, 531946, 10904893, 21809786]

約数ペア:

[(1, 21809786), (2, 10904893), (41, 531946), (47, 464038), (82, 265973), (94, 232019), (1927, 11318), (3854, 5659)]