21860692

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{12799}}^1$

素因数の和:12871

約数の個数: 24

約数和(自身を含む): 44441600

約数和(自身を除く): 22580908

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 12799, 25598, 51196, 89593, 179186, 358372, 780739, 1561478, 3122956, 5465173, 10930346, 21860692]

約数ペア:

[(1, 21860692), (2, 10930346), (4, 5465173), (7, 3122956), (14, 1561478), (28, 780739), (61, 358372), (122, 179186), (244, 89593), (427, 51196), (854, 25598), (1708, 12799)]