21025203

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{3607}}^1$

素因数の和:3706

約数の個数: 16

約数和(自身を含む): 29441280

約数和(自身を除く): 8416077

約数列:

[1, 3, 29, 67, 87, 201, 1943, 3607, 5829, 10821, 104603, 241669, 313809, 725007, 7008401, 21025203]

約数ペア:

[(1, 21025203), (3, 7008401), (29, 725007), (67, 313809), (87, 241669), (201, 104603), (1943, 10821), (3607, 5829)]