21401983

素因数分解:

${\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{181}}^1$

素因数の和:354

約数の個数: 16

約数和(自身を含む): 23115456

約数和(自身を除く): 1713473

約数列:

[1, 23, 53, 97, 181, 1219, 2231, 4163, 5141, 9593, 17557, 118243, 220639, 403811, 930521, 21401983]

約数ペア:

[(1, 21401983), (23, 930521), (53, 403811), (97, 220639), (181, 118243), (1219, 17557), (2231, 9593), (4163, 5141)]