21538666

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{6829}}^1$

素因数の和:6933

約数の個数: 16

約数和(自身を含む): 34423200

約数和(自身を除く): 12884534

約数列:

[1, 2, 19, 38, 83, 166, 1577, 3154, 6829, 13658, 129751, 259502, 566807, 1133614, 10769333, 21538666]

約数ペア:

[(1, 21538666), (2, 10769333), (19, 1133614), (38, 566807), (83, 259502), (166, 129751), (1577, 13658), (3154, 6829)]