21484666

素因数分解:

$2^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{6421}}^1$

素因数の和:6669

約数の個数: 16

約数和(自身を含む): 36990720

約数和(自身を除く): 15506054

約数列:

[1, 2, 7, 14, 239, 478, 1673, 3346, 6421, 12842, 44947, 89894, 1534619, 3069238, 10742333, 21484666]

約数ペア:

[(1, 21484666), (2, 10742333), (7, 3069238), (14, 1534619), (239, 89894), (478, 44947), (1673, 12842), (3346, 6421)]