16981566

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{404323}}^1$

素因数の和:404335

約数の個数: 16

約数和(自身を含む): 38815104

約数和(自身を除く): 21833538

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 404323, 808646, 1212969, 2425938, 2830261, 5660522, 8490783, 16981566]

約数ペア:

[(1, 16981566), (2, 8490783), (3, 5660522), (6, 2830261), (7, 2425938), (14, 1212969), (21, 808646), (42, 404323)]