21471394

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{21601}}^1$

素因数の和:21681

約数の個数: 16

約数和(自身を含む): 37328256

約数和(自身を除く): 15856862

約数列:

[1, 2, 7, 14, 71, 142, 497, 994, 21601, 43202, 151207, 302414, 1533671, 3067342, 10735697, 21471394]

約数ペア:

[(1, 21471394), (2, 10735697), (7, 3067342), (14, 1533671), (71, 302414), (142, 151207), (497, 43202), (994, 21601)]