20211974

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{4057}}^1$

素因数の和:4159

約数の個数: 16

約数和(自身を含む): 31555008

約数和(自身を除く): 11343034

約数列:

[1, 2, 47, 53, 94, 106, 2491, 4057, 4982, 8114, 190679, 215021, 381358, 430042, 10105987, 20211974]

約数ペア:

[(1, 20211974), (2, 10105987), (47, 430042), (53, 381358), (94, 215021), (106, 190679), (2491, 8114), (4057, 4982)]