21557112

素因数分解:

$2^3\times 3^1\times {\mathrm{898213}}^1$

素因数の和:898222

約数の個数: 16

約数和(自身を含む): 53892840

約数和(自身を除く): 32335728

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 898213, 1796426, 2694639, 3592852, 5389278, 7185704, 10778556, 21557112]

約数ペア:

[(1, 21557112), (2, 10778556), (3, 7185704), (4, 5389278), (6, 3592852), (8, 2694639), (12, 1796426), (24, 898213)]