21684200

素因数分解:

$2^3\times 5^2\times {\mathrm{108421}}^1$

素因数の和:108437

約数の個数: 24

約数和(自身を含む): 50416230

約数和(自身を除く): 28732030

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 108421, 216842, 433684, 542105, 867368, 1084210, 2168420, 2710525, 4336840, 5421050, 10842100, 21684200]

約数ペア:

[(1, 21684200), (2, 10842100), (4, 5421050), (5, 4336840), (8, 2710525), (10, 2168420), (20, 1084210), (25, 867368), (40, 542105), (50, 433684), (100, 216842), (200, 108421)]