21598866

素因数分解:

$2^1\times 3^3\times {\mathrm{399979}}^1$

素因数の和:399990

約数の個数: 16

約数和(自身を含む): 47997600

約数和(自身を除く): 26398734

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 399979, 799958, 1199937, 2399874, 3599811, 7199622, 10799433, 21598866]

約数ペア:

[(1, 21598866), (2, 10799433), (3, 7199622), (6, 3599811), (9, 2399874), (18, 1199937), (27, 799958), (54, 399979)]