21080273

素因数分解:

${\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:292

約数の個数: 16

約数和(自身を含む): 22453200

約数和(自身を除く): 1372927

約数列:

[1, 41, 53, 89, 109, 2173, 3649, 4469, 4717, 5777, 9701, 193397, 236857, 397741, 514153, 21080273]

約数ペア:

[(1, 21080273), (41, 514153), (53, 397741), (89, 236857), (109, 193397), (2173, 9701), (3649, 5777), (4469, 4717)]