21000886208

素因数分解:

$2^6\times {\mathrm{53}}^1\times {\mathrm{6191299}}^1$

素因数の和:6191364

約数の個数: 28

約数和(自身を含む): 42459935400

約数和(自身を除く): 21459049192

約数列:

[1, 2, 4, 8, 16, 32, 53, 64, 106, 212, 424, 848, 1696, 3392, 6191299, 12382598, 24765196, 49530392, 99060784, 198121568, 328138847, 396243136, 656277694, 1312555388, 2625110776, 5250221552, 10500443104, 21000886208]

約数ペア:

[(1, 21000886208), (2, 10500443104), (4, 5250221552), (8, 2625110776), (16, 1312555388), (32, 656277694), (53, 396243136), (64, 328138847), (106, 198121568), (212, 99060784), (424, 49530392), (848, 24765196), (1696, 12382598), (3392, 6191299)]