21002816

素因数分解:

$2^6\times {\mathrm{107}}^1\times {\mathrm{3067}}^1$

素因数の和:3186

約数の個数: 28

約数和(自身を含む): 42080688

約数和(自身を除く): 21077872

約数列:

[1, 2, 4, 8, 16, 32, 64, 107, 214, 428, 856, 1712, 3067, 3424, 6134, 6848, 12268, 24536, 49072, 98144, 196288, 328169, 656338, 1312676, 2625352, 5250704, 10501408, 21002816]

約数ペア:

[(1, 21002816), (2, 10501408), (4, 5250704), (8, 2625352), (16, 1312676), (32, 656338), (64, 328169), (107, 196288), (214, 98144), (428, 49072), (856, 24536), (1712, 12268), (3067, 6848), (3424, 6134)]