2173912

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{20903}}^1$

素因数の和:20922

約数の個数: 16

約数和(自身を含む): 4389840

約数和(自身を除く): 2215928

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 20903, 41806, 83612, 167224, 271739, 543478, 1086956, 2173912]

約数ペア:

[(1, 2173912), (2, 1086956), (4, 543478), (8, 271739), (13, 167224), (26, 83612), (52, 41806), (104, 20903)]