21435116

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{3169}}^1$

素因数の和:3281

約数の個数: 24

約数和(自身を含む): 39942000

約数和(自身を除く): 18506884

約数列:

[1, 2, 4, 19, 38, 76, 89, 178, 356, 1691, 3169, 3382, 6338, 6764, 12676, 60211, 120422, 240844, 282041, 564082, 1128164, 5358779, 10717558, 21435116]

約数ペア:

[(1, 21435116), (2, 10717558), (4, 5358779), (19, 1128164), (38, 564082), (76, 282041), (89, 240844), (178, 120422), (356, 60211), (1691, 12676), (3169, 6764), (3382, 6338)]