21641144

素因数分解:

$2^3\times 7^2\times {\mathrm{55207}}^1$

素因数の和:55227

約数の個数: 24

約数和(自身を含む): 47202840

約数和(自身を除く): 25561696

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 55207, 110414, 220828, 386449, 441656, 772898, 1545796, 2705143, 3091592, 5410286, 10820572, 21641144]

約数ペア:

[(1, 21641144), (2, 10820572), (4, 5410286), (7, 3091592), (8, 2705143), (14, 1545796), (28, 772898), (49, 441656), (56, 386449), (98, 220828), (196, 110414), (392, 55207)]