19643421

素因数分解:

$3^1\times 7^1\times {\mathrm{467}}^1\times {\mathrm{2003}}^1$

素因数の和:2480

約数の個数: 16

約数和(自身を含む): 30011904

約数和(自身を除く): 10368483

約数列:

[1, 3, 7, 21, 467, 1401, 2003, 3269, 6009, 9807, 14021, 42063, 935401, 2806203, 6547807, 19643421]

約数ペア:

[(1, 19643421), (3, 6547807), (7, 2806203), (21, 935401), (467, 42063), (1401, 14021), (2003, 9807), (3269, 6009)]