21704824

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{659}}^1$

素因数の和:867

約数の個数: 32

約数和(自身を含む): 42768000

約数和(自身を除く): 21063176

約数列:

[1, 2, 4, 8, 23, 46, 92, 179, 184, 358, 659, 716, 1318, 1432, 2636, 4117, 5272, 8234, 15157, 16468, 30314, 32936, 60628, 117961, 121256, 235922, 471844, 943688, 2713103, 5426206, 10852412, 21704824]

約数ペア:

[(1, 21704824), (2, 10852412), (4, 5426206), (8, 2713103), (23, 943688), (46, 471844), (92, 235922), (179, 121256), (184, 117961), (358, 60628), (659, 32936), (716, 30314), (1318, 16468), (1432, 15157), (2636, 8234), (4117, 5272)]