21186003

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{967}}^1$

素因数の和:1146

約数の個数: 16

約数和(自身を含む): 28962560

約数和(自身を除く): 7776557

約数列:

[1, 3, 67, 109, 201, 327, 967, 2901, 7303, 21909, 64789, 105403, 194367, 316209, 7062001, 21186003]

約数ペア:

[(1, 21186003), (3, 7062001), (67, 316209), (109, 194367), (201, 105403), (327, 64789), (967, 21909), (2901, 7303)]