21169082879

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{283}}^1\times {\mathrm{1373}}^1$

素因数の和:1887

約数の個数: 32

約数和(自身を含む): 24998797824

約数和(自身を除く): 3829714945

約数列:

[1, 7, 43, 181, 283, 301, 1267, 1373, 1981, 7783, 9611, 12169, 51223, 54481, 59039, 85183, 248513, 358561, 388559, 413273, 1739591, 2202589, 2719913, 10686059, 15418123, 16708037, 70329179, 74802413, 116956259, 492304253, 3024154697, 21169082879]

約数ペア:

[(1, 21169082879), (7, 3024154697), (43, 492304253), (181, 116956259), (283, 74802413), (301, 70329179), (1267, 16708037), (1373, 15418123), (1981, 10686059), (7783, 2719913), (9611, 2202589), (12169, 1739591), (51223, 413273), (54481, 388559), (59039, 358561), (85183, 248513)]