21369198

素因数分解:

$2^1\times 3^1\times {\mathrm{223}}^1\times {\mathrm{15971}}^1$

素因数の和:16199

約数の個数: 16

約数和(自身を含む): 42932736

約数和(自身を除く): 21563538

約数列:

[1, 2, 3, 6, 223, 446, 669, 1338, 15971, 31942, 47913, 95826, 3561533, 7123066, 10684599, 21369198]

約数ペア:

[(1, 21369198), (2, 10684599), (3, 7123066), (6, 3561533), (223, 95826), (446, 47913), (669, 31942), (1338, 15971)]